Arroyo Seco Junior High

Summary:

Arroyo Seco Junior High is a public middle school located in Valencia, California, serving grades 7-8 with a total enrollment of 1,217 students. The school is part of the William S. Hart Union High School District, which is ranked 212 out of 1,560 districts in California and has a 4-star rating from SchoolDigger.

Arroyo Seco Junior High consistently ranks in the top 15% of California middle schools, with strong academic performance across various metrics. The school's students outperform state and district averages on Smarter Balanced Assessments, with 68.62% proficient or better in English Language Arts/Literacy and 49.41% in mathematics, compared to 46.66% and 34.62% for the state, respectively. Arroyo Seco's racial diversity, with 39.03% White, 38.37% Hispanic, and 11.67% Asian students, is higher than some nearby schools like Placerita Junior High and Rancho Pico Junior High. Additionally, the school has a relatively low percentage of students eligible for free or reduced-price lunch, at 16.68%, compared to nearby schools like PUC Nueva Esperanza Charter Academy and San Fernando Middle, which have over 90% of students in this category.

Arroyo Seco Junior High's consistent academic performance, strong racial diversity, and socioeconomic composition suggest that the school is providing a high-quality education and equitable opportunities for its diverse student population. The school's performance outshines many of its nearby counterparts, indicating that it is effectively supporting student learning and meeting the needs of the community it serves.


Detail:

Public 7-8

 27171 N. Vista Delgado Dr.
       Valencia, CA  91354-2244


(661) 296-0991

District: William S. Hart Union High

SchoolDigger Rank:
360th of 2,798 California Middle Schools

Per Pupil Expenditures:  $9,524 Help


Students who attend Arroyo Seco Junior High usually attend:

High:    Academy of the Canyons
    Saugus High

Feeder schools for Arroyo Seco Junior High:

Elementary:    Highlands Elementary
    James Foster Elementary
    Mountainview Elementary
    Plum Canyon Elementary
    More...

Student/teacher ratio:  24.4 Help
Number of students:  1,217

Racial breakdown:

White:
39.0%
Hispanic:
38.4%
Asian:
11.7%
more

Free/discounted lunch recipients:  16.7% Help


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Performance Trends
Help
Compare Details Arroyo Seco Junior High ranks better than 87.1% of middle schools in California. It also ranks 3rd among 6 ranked middle schools in the William S. Hart Union High School District. (See more...)
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Compare Details In 2023 the calculated Average Standard Score was 85.64. (See more...)
Help
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
Help
Compare Details Arroyo Seco Junior High has the largest middle school student body size in the William S. Hart Union High School District. Racial makeup is: White (39%), Hispanic (38.4%), Asian (11.7%). (See more...)
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Compare Details 16.7% of students are receiving a free or discounted lunch. (See more...)
Teachers
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Compare Details The student/teacher ratio at Arroyo Seco Junior High is 24.4, which is the highest among 6 middle schools in the William S. Hart Union High School District! (See more...)
Help
Compare Arroyo Seco Junior High employs 49.8 full-time teachers.
Finance
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Compare Details The average total spent per student at Arroyo Seco Junior High is $9,524, which is the lowest among 6 middle schools in the William S. Hart Union High School District!
Schooldigger 2023 Rankings:

Arroyo Seco Junior High:

SchoolDigger ranks Arroyo Seco Junior High 360th of 2798 California public middle schools. (See Arroyo Seco Junior High in the ranking list.)

Middle School Test Score Ratings by Student Subgroup:


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


William S. Hart Union High:

SchoolDigger ranks William S. Hart Union High 212th of 1560 California school districts. (See district ranking list.)


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Rank History for Arroyo Seco Junior High

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Rank History for all students at Arroyo Seco Junior High

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2004 81.67 264th 1769 85.1%
2005 86.06 176th 1777 90.1%
2006 85.49 194th 1804 89.2%
2007 86.14 194th 1999 90.3%
2008 84.73 204th 2005 89.8%
2009 82.70 237th 2063 88.5%
2010 76.29 395th 2179 81.9%
2011 63.31 731st 2236 67.3%
2012 72.37 512th 2259 77.3%
2013 78.10 370th 2379 84.4%
2015 82.74 376th 2477 84.8%
2016 87.36 287th 2497 88.5%
2017 86.91 314th 2508 87.5%
2018 84.36 357th 2480 85.6%
2019 86.63 339th 2715 87.5%
2022 86.62 347th 2740 87.3%
2023 85.64 360th 2788 87.1%
See the entire list of California Middle School Rankings!

Rank History for Multi-racial students at Arroyo Seco Junior High

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2019 67.03 192nd 554 65.3%
2023 76.43 146th 678 78.5%
See the entire list of Best California Middle Schools for Multi-racial Students!

Rank History for English Language Learner students at Arroyo Seco Junior High

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 76.66 162nd 1364 88.1%
2019 60.33 296th 1442 79.5%
2022 95.29 29th 1540 98.1%
See the entire list of Best California Middle Schools for English Language Learner Students!

Rank History for Special Education students at Arroyo Seco Junior High

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2023 77.25 194th 1532 87.3%
See the entire list of Best California Middle Schools for Special Education Students!

Rank History for Low Socio Economic Status students at Arroyo Seco Junior High

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 74.68 386th 2230 82.7%
2019 82.43 255th 2369 89.2%
2022 77.36 346th 2458 85.9%
2023 82.51 286th 2535 88.7%
See the entire list of Best California Middle Schools for Low Socio Economic Status Students!

Rank History for Homeless students at Arroyo Seco Junior High

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2023 98.92 5th 321 98.4%
See the entire list of Best California Middle Schools for Homeless Students!

Rank History for Female students at Arroyo Seco Junior High

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 82.03 365th 2262 83.9%
2019 84.67 328th 2380 86.2%
2022 86.27 314th 2509 87.5%
2023 84.54 351st 2535 86.2%
See the entire list of Best California Middle Schools for Female Students!

Rank History for Disabled students at Arroyo Seco Junior High

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 77.46 191st 1369 86.0%
2019 74.87 233rd 1491 84.4%
2022 83.75 142nd 1531 90.7%
See the entire list of Best California Middle Schools for Disabled Students!

Rank History for Male students at Arroyo Seco Junior High

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 84.86 327th 2273 85.6%
2019 86.73 307th 2407 87.2%
2022 85.56 342nd 2527 86.5%
2023 84.79 348th 2546 86.3%
See the entire list of Best California Middle Schools for Male Students!

Rank History for Asian students at Arroyo Seco Junior High

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 81.98 81st 700 88.4%
2019 78.51 133rd 745 82.1%
2022 73.38 199th 733 72.9%
2023 74.21 178th 717 75.2%
See the entire list of Best California Middle Schools for Asian Students!

Rank History for African American students at Arroyo Seco Junior High

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 97.76 12th 600 98.0%
2019 96.15 14th 643 97.8%
2022 93.73 27th 637 95.8%
2023 85.70 54th 609 91.1%
See the entire list of Best California Middle Schools for African American Students!

Rank History for Hispanic students at Arroyo Seco Junior High

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 85.32 193rd 2072 90.7%
2019 87.62 172nd 2213 92.2%
2022 90.74 129th 2359 94.5%
2023 87.72 181st 2379 92.4%
See the entire list of Best California Middle Schools for Hispanic Students!

Rank History for White students at Arroyo Seco Junior High

Year Avg Standard Score Statewide Rank Total # Ranked Middle Schools CA State Percentile SchoolDigger Rating
2018 71.84 420th 1496 71.9%
2019 75.92 341st 1602 78.7%
2022 73.45 359th 1555 76.9%
2023 72.06 382nd 1549 75.3%
See the entire list of Best California Middle 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.

Arroyo Seco Junior High 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 Arroyo Seco Junior High

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Year White African American Asian Hispanic American Indian Pacific Islander Two or More Races Not Specified Total
1988 773 14 27 72 5 n/a n/a 0 891
1989 791 12 31 83 2 n/a n/a 0 919
1990 850 13 44 93 1 n/a n/a 0 1001
1991 878 12 46 102 6 n/a n/a 0 1044
1992 927 22 51 135 8 n/a n/a 0 1143
1993 956 16 70 127 7 n/a n/a 0 1176
1994 941 20 79 134 6 n/a n/a 0 1180
1995 1113 8 25 75 0 n/a n/a 0 1221
1996 1113 8 25 75 0 n/a n/a 0 1221
1997 1114 14 54 115 1 n/a n/a 0 1298
1998 1113 22 90 182 5 n/a n/a 0 1412
1999 1178 33 90 228 3 n/a n/a 0 1532
2000 1119 26 86 251 4 n/a n/a 0 1486
2001 1145 15 43 235 6 n/a n/a 51 1495
2002 1111 31 126 240 5 n/a n/a 0 1513
2003 1111 31 126 240 5 n/a n/a 0 1513
2004 1012 37 133 262 4 n/a n/a 0 1448
2005 865 35 125 271 6 n/a n/a 0 1302
2006 835 32 105 244 5 n/a n/a 0 1221
2007 815 37 107 233 4 n/a n/a 0 1196
2008 817 30 120 275 7 n/a n/a 0 1249
2009 810 27 103 288 7 6 10 0 1251
2010 732 28 107 299 8 3 3 0 1180
2011 714 32 93 335 4 1 38 0 1217
2012 678 30 88 380 1 0 74 0 1251
2013 689 23 93 382 3 1 71 0 1262
2014 708 20 83 379 2 1 63 0 1256
2015 676 24 80 400 1 0 64 0 1245
2016 646 23 77 388 2 0 84 0 1220
2017 656 29 104 396 3 3 54 0 1245
2018 659 46 115 429 3 5 37 0 1294
2019 641 42 110 465 2 3 66 0 1329
2020 616 40 119 449 2 1 71 0 1298
2021 570 43 115 441 4 6 34 0 1213
2022 524 37 121 445 3 5 46 0 1181
2023 475 44 142 467 2 2 85 0 1217

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 Arroyo Seco Junior High

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Compare
Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1988 891 38.4 23.2 n/a
1989 919 39.6 23.2 n/a
1990 1001 41.9 23.8 n/a
1991 1044 43.5 24.0 n/a
1992 1143 44.2 25.8 1.7
1993 1176 47.4 24.8 2.1
1994 1180 47.6 24.8 5.2
1995 1221 48.5 25.2 7.4
1996 1221 48.5 25.2 7.4
1997 1298 54.8 23.7 3.6
1998 1412 59.2 23.9 3.6
1999 1532 64.6 23.7 3.2
2000 1486 62.8 23.7 2.8
2001 1495 65.8 22.7 2.5
2002 1513 64.0 23.6 2.1
2003 1513 64.0 23.6 2.1
2004 1448 62.5 23.2 3.4
2005 1302 56.0 23.3 3.8
2006 1221 52.2 23.4 4.2
2007 1196 47.8 25.0 5.8
2008 1249 58.0 21.5 6
2009 1251 51.0 20.9 8.3
2010 1180 49.0 24.0 11
2011 1217 n/a n/a 8.9
2012 1251 48.0 26.0 n/a
2013 1262 49.2 25.6 12.4
2014 1256 49.4 25.4 14.3
2015 1245 43.0 28.9 15.8
2016 1220 49.0 24.8 12.8
2017 1245 49.8 25.0 7.6
2018 1294 51.7 25.0 16.7
2019 1329 53.6 24.7 18.7
2020 1298 n/a n/a 16.8
2021 1213 51.6 23.4 18.1
2022 1181 51.8 22.7 13.9
2023 1217 49.8 24.4 16.7

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 Arroyo Seco Junior High

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Year # Students Full-time Teachers Student/Teacher ratio % Free/Discounted Lunch
1988 891 38.4 23.2 n/a
1989 919 39.6 23.2 n/a
1990 1001 41.9 23.8 n/a
1991 1044 43.5 24.0 n/a
1992 1143 44.2 25.8 1.7
1993 1176 47.4 24.8 2.1
1994 1180 47.6 24.8 5.2
1995 1221 48.5 25.2 7.4
1996 1221 48.5 25.2 7.4
1997 1298 54.8 23.7 3.6
1998 1412 59.2 23.9 3.6
1999 1532 64.6 23.7 3.2
2000 1486 62.8 23.7 2.8
2001 1495 65.8 22.7 2.5
2002 1513 64.0 23.6 2.1
2003 1513 64.0 23.6 2.1
2004 1448 62.5 23.2 3.4
2005 1302 56.0 23.3 3.8
2006 1221 52.2 23.4 4.2
2007 1196 47.8 25.0 5.8
2008 1249 58.0 21.5 6
2009 1251 51.0 20.9 8.3
2010 1180 49.0 24.0 11
2011 1217 n/a n/a 8.9
2012 1251 48.0 26.0 n/a
2013 1262 49.2 25.6 12.4
2014 1256 49.4 25.4 14.3
2015 1245 43.0 28.9 15.8
2016 1220 49.0 24.8 12.8
2017 1245 49.8 25.0 7.6
2018 1294 51.7 25.0 16.7
2019 1329 53.6 24.7 18.7
2020 1298 n/a n/a 16.8
2021 1213 51.6 23.4 18.1
2022 1181 51.8 22.7 13.9
2023 1217 49.8 24.4 16.7

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 Arroyo Seco Junior High

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YearTotal Expenditures Per Pupil
2018 $9,524

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

Impact of COVID-19 on Arroyo Seco Junior High

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 339th of 2715 Middle schoolsRanks 360th of 2788 Middle schools
 0.4%

Test Scores

% proficient
Pre-pandemic (2018-2019)
% proficient
Post pandemic (2022-2023)
Change (%)
7th Grade English Language Arts/Literacy (Arroyo Seco Junior High)74.573.8
 0.7%
   7th Grade English Language Arts/Literacy (William S. Hart Union High)70.565.9
 4.5%
   7th Grade English Language Arts/Literacy (California)51.447.4
 3.9%
7th Grade Mathematics (Arroyo Seco Junior High)54.248.6
 5.6%
   7th Grade Mathematics (William S. Hart Union High)53.846.8
 7%
   7th Grade Mathematics (California)37.933.2
 4.7%
8th Grade English Language Arts/Literacy (Arroyo Seco Junior High)70.462.6
 7.8%
   8th Grade English Language Arts/Literacy (William S. Hart Union High)6963
 5.9%
   8th Grade English Language Arts/Literacy (California)49.445.7
 3.8%
8th Grade Mathematics (Arroyo Seco Junior High)55.350.4
 5%
   8th Grade Mathematics (William S. Hart Union High)53.944.4
 9.5%
   8th Grade Mathematics (California)36.629.9
 6.7%
8th Grade Science (Arroyo Seco Junior High)53.744.5
 9.2%
   8th Grade Science (William S. Hart Union High)47.742.4
 5.3%
   8th Grade Science (California)30.828.8
 2.1%

Student Body

Number of students
Pre-pandemic (2018-2019)
Number of students
Post pandemic (2022-2023)
Change (%)
Total Students13291217
 8.4%
African American4244
 4.8%
American Indian22
Asian110142
 29.1%
Hispanic465467
 0.4%
Pacific Islander32
 33.3%
White641475
 25.9%
Two or More Races6685
 28.8%
% Free/Discounted Lunch Recipients18.7%16.7%
 2%


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Frequently Asked Questions about Arroyo Seco Junior High

Students who attend Arroyo Seco Junior High usually go on to attend Academy of the Canyons

In the 2022-23 school year, 1,217 students attended Arroyo Seco Junior High.

Students at Arroyo Seco Junior High are 39% White, 38% Hispanic, 12% Asian, 7% Two or more races, 4% African American.

Arroyo Seco Junior High ranks 360th of 2798 California middle schools. SchoolDigger rates this school 4 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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