Mueller Charter (Robert L.)

Public, Charter, Alternative K-12

 715 I St.
       Chula Vista, CA  91910-5112


(619) 422-6192

District: Mueller Charter (Robert L.) District

SchoolDigger Rank:
2580th of 5,868 California Alternative Schools


Student/teacher ratio:  22.3 Help
Number of students:  1,606

Racial breakdown:

Hispanic:
90.0%
White:
5.2%
African American:
1.7%
more

Free/discounted lunch recipients:  77% Help


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Performance Trends
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Compare Details Mueller Charter (Robert L.) ranks better than 56% of elementary schools in California. (See more...)
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Compare Details In 2023 the calculated Average Standard Score was 48.97. (See more...)
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Compare Details Mueller Charter (Robert L.) ranks better than 62.8% of middle schools in California. (See more...)
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Compare Details In 2023 the calculated Average Standard Score was 54.53. (See more...)
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Compare Details Mueller Charter (Robert L.) ranks better than 71.2% of high schools in California. (See more...)
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Compare Details In 2023 the calculated Average Standard Score was 58.81. (See more...)
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The Adjusted Cohort Graduation Rate (ACGR) measures the percentage of Mueller Charter (Robert L.) freshmen who graduate within four years, adjusting for students who transfer in or out.
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The high school dropout rate measures the percentage of students who do not complete their high school education.
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Chronic absenteeism in a high school refers to a situation where students repeatedly miss school, with the threshold often defined as missing 10% or more of school days for any reason, excused or unexcused.
Schooldigger 2023 Rankings:

Mueller Charter (Robert L.):

SchoolDigger ranks Mueller Charter (Robert L.) 2580th of 5868 California public elementary schools. (See Mueller Charter (Robert L.) in the ranking list.)

Elementary School Test Score Ratings by Student Subgroup:


English Language Learner students:
Special Education students:
Low Socio Economic Status students:
Female students:
Male students:
Hispanic students:

SchoolDigger ranks Mueller Charter (Robert L.) 1042nd of 2798 California public middle schools. (See Mueller Charter (Robert L.) in the ranking list.)

Middle School Test Score Ratings by Student Subgroup:


English Language Learner students:
Low Socio Economic Status students:
Female students:
Male students:
Hispanic students:

SchoolDigger ranks Mueller Charter (Robert L.) 676th of 2346 California public high schools. (See Mueller Charter (Robert L.) in the ranking list.)

High School Test Score Ratings by Student Subgroup:


Multi-racial students:
English Language Learner students:
Special Education students:
Low Socio Economic Status students:
Homeless students:
Female students:
Male students:
African American students:
Hispanic students:
White students:




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Rank History for Mueller Charter (Robert L.)

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Rank History for all elementary school students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 54.08 2374th 5789 59.0%
2022 52.36 2425th 5883 58.8%
2023 48.97 2573rd 5848 56.0%
See the entire list of California Alternative School Rankings!

Rank History for elementary school English Language Learner students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 77.90 350th 3275 89.3%
2022 73.11 427th 3311 87.1%
2023 64.37 637th 3240 80.3%
See the entire list of Best California Alternative Schools for English Language Learner Students!

Rank History for elementary school Special Education students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2023 53.84 805th 2416 66.7%
See the entire list of Best California Alternative Schools for Special Education Students!

Rank History for elementary school Low Socio Economic Status students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 69.10 1234th 5173 76.1%
2022 63.66 1488th 5264 71.7%
2023 63.88 1520th 5355 71.6%
See the entire list of Best California Alternative Schools for Low Socio Economic Status Students!

Rank History for elementary school Female students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 47.02 2676th 5492 51.3%
2022 52.34 2291st 5635 59.3%
2023 52.50 2261st 5595 59.6%
See the entire list of Best California Alternative Schools for Female Students!

Rank History for elementary school Disabled students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 61.40 692nd 2585 73.2%
2022 49.53 819th 2227 63.2%
See the entire list of Best California Alternative Schools for Disabled Students!

Rank History for elementary school Male students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 59.16 1991st 5510 63.9%
2022 51.11 2386th 5663 57.9%
2023 44.65 2750th 5627 51.1%
See the entire list of Best California Alternative Schools for Male Students!

Rank History for elementary school Hispanic students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked Elementary Schools CA State Percentile SchoolDigger Rating
2019 69.25 1207th 4963 75.7%
2022 68.44 1231st 5084 75.8%
2023 66.81 1319th 5079 74.0%
See the entire list of Best California Alternative Schools for Hispanic Students!

Data source: test scores: California Department of Education, rankings: SchoolDigger.com

Rank History for Mueller Charter (Robert L.)

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Rank History for all middle school students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 60.68 902nd 2715 66.8%
2022 50.55 1161st 2740 57.6%
2023 54.53 1041st 2788 62.7%
See the entire list of California Alternative School Rankings!

Rank History for middle school English Language Learner students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 73.13 188th 1442 87.0%
2022 62.97 258th 1540 83.2%
2023 59.72 270th 1523 82.3%
See the entire list of Best California Alternative Schools for English Language Learner Students!

Rank History for middle school Low Socio Economic Status students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 77.27 353rd 2369 85.1%
2022 55.59 855th 2458 65.2%
2023 65.88 611th 2535 75.9%
See the entire list of Best California Alternative Schools for Low Socio Economic Status Students!

Rank History for middle school Female students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 52.05 1006th 2380 57.7%
2022 43.74 1230th 2509 51.0%
2023 53.30 973rd 2535 61.6%
See the entire list of Best California Alternative Schools for Female Students!

Rank History for middle school Disabled students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2022 31.77 1001st 1531 34.6%
See the entire list of Best California Alternative Schools for Disabled Students!

Rank History for middle school Male students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 65.52 691st 2407 71.3%
2022 55.38 928th 2527 63.3%
2023 54.33 952nd 2546 62.6%
See the entire list of Best California Alternative Schools for Male Students!

Rank History for middle school Hispanic students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 75.44 392nd 2213 82.3%
2022 65.98 585th 2359 75.2%
2023 69.19 526th 2379 77.9%
See the entire list of Best California Alternative Schools for Hispanic Students!

Data source: test scores: California Department of Education, rankings: SchoolDigger.com

Rank History for Mueller Charter (Robert L.)

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Rank History for all high school students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2019 80.30 358th 2133 83.2%
2022 62.83 653rd 2123 69.2%
2023 58.81 672nd 2335 71.2%
See the entire list of California Alternative School Rankings!

Rank History for high school Multi-racial students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 21.58 577th 780 26.0%
See the entire list of Best California Alternative Schools for Multi-racial Students!

Rank History for high school English Language Learner students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2019 86.20 46th 941 95.1%
2022 50.34 323rd 1044 69.1%
2023 66.18 97th 1315 92.6%
See the entire list of Best California Alternative Schools for English Language Learner Students!

Rank History for high school Special Education students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 65.81 254th 1539 83.5%
See the entire list of Best California Alternative Schools for Special Education Students!

Rank History for high school Low Socio Economic Status students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2019 82.52 247th 1937 87.2%
2022 66.62 509th 1943 73.8%
2023 68.29 448th 2237 80.0%
See the entire list of Best California Alternative Schools for Low Socio Economic Status Students!

Rank History for high school Homeless students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 72.00 74th 417 82.3%
See the entire list of Best California Alternative Schools for Homeless Students!

Rank History for high school Female students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2019 78.67 350th 1833 80.9%
2022 67.57 498th 1858 73.2%
2023 56.15 675th 2106 67.9%
See the entire list of Best California Alternative Schools for Female Students!

Rank History for high school Disabled students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2019 85.19 102nd 1117 90.9%
2022 34.79 694th 1161 40.2%
See the entire list of Best California Alternative Schools for Disabled Students!

Rank History for high school Male students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2019 75.02 410th 1880 78.2%
2022 54.86 747th 1916 61.0%
2023 58.86 623rd 2195 71.6%
See the entire list of Best California Alternative Schools for Male Students!

Rank History for high school African American students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2023 78.48 111th 713 84.4%
See the entire list of Best California Alternative Schools for African American Students!

Rank History for high school Hispanic students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2019 83.25 206th 1814 88.6%
2022 71.99 393rd 1861 78.9%
2023 73.08 358th 2132 83.2%
See the entire list of Best California Alternative Schools for Hispanic Students!

Rank History for high school White students at Mueller Charter (Robert L.)

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2019 59.59 489th 1222 60.0%
2022 54.63 534th 1204 55.6%
2023 41.51 725th 1424 49.1%
See the entire list of Best California Alternative Schools for White Students!

Data source: test scores: California Department of Education, rankings: SchoolDigger.com

As you review the school rankings data, please be aware that some of the information from certain demographics is missing. The reason for this omission is that the data has been redacted from the source data itself due to low population samples in these specific demographic groups.

Redacting data from low population samples is a necessary step to ensure the reliability and accuracy of the results, as small sample sizes may not be representative of the broader population. Additionally, this measure helps protect the privacy of individuals belonging to these demographic groups.

Mueller Charter (Robert L.) Test Scores
Tests: 
  
Grades: 
  
Years: 
  
Group by: 
State Scores:    
  
Subgroup: 










Data source: California Department of Education

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Enrollment information for Mueller Charter (Robert L.)

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Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
2019 122 47 30 1344 1 4 18 0 1566
2020 121 44 33 1401 1 4 16 0 1620
2021 112 39 40 1480 1 4 18 0 1694
2022 95 35 32 1431 2 0 18 0 1613
2023 84 27 26 1445 2 1 21 0 1606

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Enrollment/Ethnicity

For more information about how the Department of Education defines ethnicity, see Defining Race and Ethnicity Data, National Center for Education Statistics

Students eligible for free or discounted lunch at Mueller Charter (Robert L.)

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Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2019 1566 67.5 23.1 78.4
2020 1620 n/a n/a 74.9
2021 1694 66.2 25.5 69.8
2022 1613 68.7 23.4 65.7
2023 1606 72.0 22.3 77

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Students eligible for discounted/free lunch:

The National School Lunch Program (NSLP) provides low-cost or free meals to students in U.S. public and nonprofit private schools based on household income. Those with incomes below 130% of the poverty line receive free lunch, while those between 130% and 185% qualify for reduced-price lunch. The percentage of students receiving free or reduced-price lunch serves as a marker for poverty, as it reflects the socioeconomic status of families in a given school or district. A higher FRPL rate typically indicates a higher concentration of low-income families, suggesting that the school or district may face additional challenges in providing adequate resources and support for student success.

Student/Teacher Ratio Mueller Charter (Robert L.)

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Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2019 1566 67.5 23.1 78.4
2020 1620 n/a n/a 74.9
2021 1694 66.2 25.5 69.8
2022 1613 68.7 23.4 65.7
2023 1606 72.0 22.3 77

Data source: National Center for Education Statistics, U.S. Dept of Education.

About Student-Teacher Ratio

Student/teacher ratio is calculated by dividing the total number of students by the total number of full-time equivalent teachers. Please note that a smaller student/teacher ratio does not necessarily translate to smaller class size. In some instances, schools hire teachers part time, and some teachers are hired for specialized instruction with very small class sizes. These and other factors contribute to the student/teacher ratio. Note: For private schools, Student/teacher ratio may not include Pre-Kindergarten.
Pre and Post Pandemic Data

Impact of COVID-19 on Mueller Charter (Robert L.)

The coronavirus has had a profound impact on education in America. Learning shifted online overnight, attendance numbers dwindled, and enrollment decreased. SchoolDigger.com is making it easier for you to better assess how COVID-19 has impacted your school. Through the collection of pre-pandemic (2019) and current data, SchoolDigger.com is sharing test scores, enrollment numbers and school demographics from schools across the country – and we make it easy to see how impacted schools compare locally and statewide.

Rankings

Rank
Pre-pandemic (2018-2019)
Rank
Post pandemic (2022-2023)
Change (%)
Ranks 2374th of 5789 Elementary schoolsRanks 2573rd of 5848 Elementary schools
 3%
Ranks 902nd of 2715 Middle schoolsRanks 1041st of 2788 Middle schools
 4.1%
Ranks 358th of 2133 High schoolsRanks 672nd of 2335 High schools
 12%

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
3rd Grade English Language Arts/Literacy (Mueller Charter (Robert L.))62.537.2
 25.3%
   3rd Grade English Language Arts/Literacy (California)48.543
 5.6%
3rd Grade Mathematics (Mueller Charter (Robert L.))70.550.4
 20.1%
   3rd Grade Mathematics (California)50.245.1
 5.1%
4th Grade English Language Arts/Literacy (Mueller Charter (Robert L.))45.838.3
 7.5%
   4th Grade English Language Arts/Literacy (California)49.543.7
 5.7%
4th Grade Mathematics (Mueller Charter (Robert L.))49.237.1
 12.1%
   4th Grade Mathematics (California)44.940.8
 4.1%
5th Grade English Language Arts/Literacy (Mueller Charter (Robert L.))53.540.6
 12.8%
   5th Grade English Language Arts/Literacy (California)51.746.7
 5%
5th Grade Mathematics (Mueller Charter (Robert L.))26.535.9
 9.4%
   5th Grade Mathematics (California)3833.4
 4.6%
5th Grade Science (Mueller Charter (Robert L.))1825.2
 7.2%
   5th Grade Science (California)31.731.9
 0.1%
6th Grade English Language Arts/Literacy (Mueller Charter (Robert L.))56.446.4
 10%
   6th Grade English Language Arts/Literacy (California)48.544.2
 4.3%
6th Grade Mathematics (Mueller Charter (Robert L.))48.934.7
 14.3%
   6th Grade Mathematics (California)38.533.2
 5.3%
7th Grade English Language Arts/Literacy (Mueller Charter (Robert L.))62.853.3
 9.5%
   7th Grade English Language Arts/Literacy (California)51.447.4
 3.9%
7th Grade Mathematics (Mueller Charter (Robert L.))45.144.9
 0.2%
   7th Grade Mathematics (California)37.933.2
 4.7%
8th Grade English Language Arts/Literacy (Mueller Charter (Robert L.))79.835.5
 44.3%
   8th Grade English Language Arts/Literacy (California)49.445.7
 3.8%
8th Grade Mathematics (Mueller Charter (Robert L.))23.621.5
 2.1%
   8th Grade Mathematics (California)36.629.9
 6.7%
8th Grade Science (Mueller Charter (Robert L.))24.725.8
 1.1%
   8th Grade Science (California)30.828.8
 2.1%
11th Grade English Language Arts/Literacy (Mueller Charter (Robert L.))5970
 11%
   11th Grade English Language Arts/Literacy (California)57.355.4
 1.9%
11th Grade Mathematics (Mueller Charter (Robert L.))24.626
 1.4%
   11th Grade Mathematics (California)32.227.4
 4.9%
12th Grade Science (Mueller Charter (Robert L.))48.234.8
 13.4%
   12th Grade Science (California)25.626.8
 1.2%

Student Body

Number of students
Pre-pandemic (2018-2019)
Number of students
Post pandemic (2022-2023)
Change (%)
Total Students15661606
 2.6%
African American4727
 42.6%
American Indian12
 100%
Asian3026
 13.3%
Hispanic13441445
 7.5%
Pacific Islander41
 75%
White12284
 31.1%
Two or More Races1821
 16.7%
% Free/Discounted Lunch Recipients78.4%77%
 1.3%


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Frequently Asked Questions about Mueller Charter (Robert L.)

Students at Mueller Charter (Robert L.) are 90% Hispanic, 5% White, 2% African American, 2% Asian, 1% Two or more races.

In the 2022-23 school year, 1,606 students attended Mueller Charter (Robert L.).

Mueller Charter (Robert L.) ranks 2580th of 5868 California alternative schools. SchoolDigger rates this school 3 stars out of 5.


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the California Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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