Acalanes Center for Independent Study

Public 9-12

 1963 Tice Valley Blvd.
       Walnut Creek, CA  94595-2201


(925) 280-3945

District: Acalanes Union High

SchoolDigger Rank:
463rd of 2,346 California High Schools

Per Pupil Expenditures:  $11,829 Help


Student/teacher ratio:  7.2 Help
Number of students:  47

Racial breakdown:

White:
68.1%
Two or more races:
12.8%
Asian:
8.5%
more

Free/discounted lunch recipients:  21.3% Help


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Performance Trends
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Compare Details Acalanes Center for Independent Study ranks better than 80.3% of high schools in California. It also ranks last among 5 ranked high schools in the Acalanes Union High School District. (See more...)
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Compare Details In 2023 the calculated Average Standard Score was 71.12. (See more...)
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The Adjusted Cohort Graduation Rate (ACGR) measures the percentage of Acalanes Center for Independent Study 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.
Student Body
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Compare Details Acalanes Center for Independent Study has the smallest high school student body size in the Acalanes Union High School District. Racial makeup is: White (68.1%), two or more races (12.8%), Asian (8.5%). (See more...)
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Compare Details 21.3% of students are receiving a free or discounted lunch. This is the highest percentage in the Acalanes Union High School District. (See more...)
Teachers
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Compare Details The student/teacher ratio at Acalanes Center for Independent Study is 7.2, which is the lowest among 5 high schools in the Acalanes Union High School District! (See more...)
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Compare Acalanes Center for Independent Study employs 6.4 full-time teachers.
Finance
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Compare Details The average total spent per student at Acalanes Center for Independent Study is $11,829, which is the lowest among 5 high schools in the Acalanes Union High School District!
Schooldigger Rankings:

Acalanes Center for Independent Study was not ranked this year due to insufficient test score data.
SchoolDigger ranks Acalanes Center for Independent Study 463rd of 2346 California public high schools. (See Acalanes Center for Independent Study in the ranking list.)

Acalanes Union High:

SchoolDigger ranks Acalanes Union High 56th of 1560 California school districts. (See district ranking list.)


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Rank History for Acalanes Center for Independent Study

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Rank History for all students at Acalanes Center for Independent Study

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2005 5.19 1761st 1901 7.4%
2006 4.55 1820th 1968 7.5%
2007 66.85 318th 2063 84.6%
2008 43.44 834th 2117 60.6%
2009 63.37 376th 2238 83.2%
2010 79.41 143rd 2281 93.7%
2011 47.90 847th 2367 64.2%
2012 66.66 377th 2354 84.0%
2013 41.95 1011th 2426 58.3%
2015 48.42 1012th 1994 49.2%
2016 17.26 1562nd 2039 23.4%
2018 94.04 108th 2017 94.6%
2022 82.45 322nd 2123 84.8%
2023 71.12 460th 2335 80.3%
See the entire list of California High School Rankings!

Rank History for White students at Acalanes Center for Independent Study

Year Avg Standard Score Statewide Rank Total # Ranked High Schools CA State Percentile SchoolDigger Rating
2018 86.07 125th 1173 89.3%
See the entire list of Best California High 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.

Acalanes Center for Independent Study Test Scores
Tests: 
  
Grades: 
  
Years: 
  
Group by: 
District Scores:
State Scores:    
  
Subgroup: 




Data source: California Department of Education

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Enrollment information for Acalanes Center for Independent Study

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Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
2005 22 1 1 3 1 n/a n/a 0 28
2006 24 2 1 0 0 n/a n/a 2 29
2007 29 0 5 2 0 n/a n/a 6 42
2008 33 n/a 1 2 n/a n/a n/a 0 36
2009 47 1 1 5 0 1 12 0 67
2010 37 1 1 9 0 0 6 0 54
2011 60 3 2 13 0 0 7 0 85
2012 32 3 1 9 0 0 6 0 51
2013 16 0 3 2 0 0 8 0 29
2014 29 1 1 4 0 0 4 0 39
2015 24 1 1 3 0 0 2 0 31
2016 26 1 3 7 0 1 1 0 39
2017 25 1 3 4 0 1 1 0 35
2018 17 0 0 5 0 0 2 0 24
2019 18 0 3 3 0 0 3 0 27
2020 35 1 2 5 0 0 6 0 49
2021 33 1 3 5 0 0 2 0 44
2022 35 1 7 5 0 0 5 0 53
2023 32 1 4 3 0 1 6 0 47

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 Acalanes Center for Independent Study

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2005 28 4.0 7.0 0
2006 29 3.0 9.7 0
2007 42 3.8 11.1 0
2008 36 10.0 3.6 0
2009 67 13.0 4.8 0
2010 54 15.0 3.6 5.6
2011 85 n/a n/a 3.5
2012 51 6.6 7.7 n/a
2013 29 3.8 7.6 10.3
2014 39 4.0 9.7 10.3
2015 31 4.0 7.7 9.7
2016 39 3.0 13.0 7.7
2017 35 3.2 10.9 8.6
2018 24 3.2 7.5 12.5
2019 27 1.6 16.8 11.1
2020 49 n/a n/a 12.2
2021 44 6.4 6.8 9.1
2022 53 6.6 8.0 28.3
2023 47 6.4 7.2 21.3

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 Acalanes Center for Independent Study

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
2005 28 4.0 7.0 0
2006 29 3.0 9.7 0
2007 42 3.8 11.1 0
2008 36 10.0 3.6 0
2009 67 13.0 4.8 0
2010 54 15.0 3.6 5.6
2011 85 n/a n/a 3.5
2012 51 6.6 7.7 n/a
2013 29 3.8 7.6 10.3
2014 39 4.0 9.7 10.3
2015 31 4.0 7.7 9.7
2016 39 3.0 13.0 7.7
2017 35 3.2 10.9 8.6
2018 24 3.2 7.5 12.5
2019 27 1.6 16.8 11.1
2020 49 n/a n/a 12.2
2021 44 6.4 6.8 9.1
2022 53 6.6 8.0 28.3
2023 47 6.4 7.2 21.3

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.
Finances

Per Pupil Expenditures for Acalanes Center for Independent Study

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YearTotal Expenditures Per Pupil
2018 $11,829

Data source: California Department of Education
Pre and Post Pandemic Data

Impact of COVID-19 on Acalanes Center for Independent Study

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.

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
12th Grade Science (Acalanes Center for Independent Study)45.546.7
 1.2%
   12th Grade Science (Acalanes Union High)57.556.8
 0.6%
   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 Students2747
 74.1%
African American01
American Indian00
Asian34
 33.3%
Hispanic33
Pacific Islander01
White1832
 77.8%
Two or More Races36
 100%
% Free/Discounted Lunch Recipients11.1%21.3%
 10.2%


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Frequently Asked Questions about Acalanes Center for Independent Study

In the 2022-23 school year, 47 students attended Acalanes Center for Independent Study.

Acalanes Center for Independent Study ranks 463rd of 2346 California high schools. SchoolDigger rates this school 4 stars out of 5.

Students at Acalanes Center for Independent Study are 68% White, 13% Two or more races, 9% Asian, 6% Hispanic, 2% African American, 2% Pacific Islander.


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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. Attendance Areas provided by ATTOM.

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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