Enrollment
264
Elementary
DISTRICT 362 · STATE 465
SCHOOL COMMUNITY·SIMI VALLEY UNIFIED·NCES 063684010712
Arroyo Elementary
225 Ulysses St., Simi Valley, CA 93065 · (805) 306-4420 · Ventura County
GRADES KG–06ELEMENTARY22-SUBURBTITLE IREGULAR SCHOOL264 STUDENTS
Student : Teacher
22.0:1
12 FTE teachers
DISTRICT 21.4:1 · STATE 22.3:1
Free / Reduced Lunch
67%
177 students
DISTRICT 50% · STATE 65%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 105 | 40% |
| Grade 1 | 30 | 11% |
| Grade 2 | 20 | 8% |
| Grade 3 | 31 | 12% |
| Grade 4 | 37 | 14% |
| Grade 5 | 41 | 16% |
This year's kindergarten class (105) is 156% larger than its 5th grade class (41).
Student demographics
34%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 63% · STATE 62% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
CAASPP 2024-25 . % met or exceeded standardEnglish Language Arts
36.2%
CA avg 49.1% . +12.2pp since 2014
Math
29.0%
CA avg 37.7% . +6.0pp since 2014
What this means: On the CAASPP, California's statewide test, about 36 of every 100 students at this school read and write at grade level and about 29 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are up about 12 points since 2014, while math scores are up about 6 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 16.2% | 20.0% | 22.9% | 41.0% |
| Math | 14.0% | 14.9% | 24.3% | 46.7% |
Share of tested students at each CAASPP level. Each student counts in one level, so a row adds to about 100%.
CAASPP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 36.2% | 29.0% |
| 2023-24 | 40.6% | 23.7% |
| 2022-23 | 34.1% | 25.6% |
| 2021-22 | 37.1% | 18.6% |
| 2020-21 | 31.7% | 17.5% |
| 2018-19 | 41.0% | 19.5% |
| 2017-18 | 36.3% | 14.8% |
| 2016-17 | 39.3% | 22.2% |
| 2015-16 | 42.0% | 23.0% |
| 2014-15 | 24.0% | 23.0% |
% met or exceeded standard, all students and all tested grades.
Source: CAASPP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
32.2%
composite math + reading, all grades
Predicted
40.3%
based on CA schools with similar FRL share
Beats by
-8.1pp
below demographic expectation
What this means: About 32% of students here test proficient in math and reading, compared with the roughly 40% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Arroyo Elementary
Arroyo Elementary's state test result (32.2% proficient) is higher than 2 of the 4 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Arroyo Elementary this school | 264 | 67.0% | 32.2% |
| Linscott Charter Watsonville | 258 | 65.9% | 44.0% |
| Buchanan Street Elementary Los Angeles | 278 | 66.2% | 38.4% |
| Thelma Bedell Elementary Santa Paula | 294 | 67.0% | 26.7% |
| Charter Home School Academy Visalia | 240 | 71.3% | 25.2% |
| Adelante Charter Santa Barbara | 306 | 71.6% | N/A |
Matched among California elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Arroyo Elementary ranks
Among elementary schools| Measure | This school | In California | In Ventura County |
|---|---|---|---|
| State test proficiency ranked highest first | 32.2% | #3,252 of 5,151 | #76 of 121 |
| Math proficiency ranked highest first | 29.0% | #3,329 of 5,172 ▲ 446 | #75 of 122 ▲ 16 |
| Reading proficiency ranked highest first | 36.2% | #3,310 of 5,172 ▼ 644 | #76 of 122 ▼ 15 |
| 3-year test score change ranked biggest gain first | +4.7pp | #1,766 of 5,116 | #38 of 121 |
| Enrollment ranked largest first | 264 | #5,044 of 5,915 | #116 of 130 |
| Students per teacher ranked fewest first | 22.0:1 | #2,197 of 5,352 | #60 of 124 |
| Diversity index ranked most diverse first | 33.8% | #3,754 of 5,354 | #73 of 124 |
| Free and reduced lunch ranked highest share first | 67.0% | #3,116 of 5,625 | #53 of 127 |
| Enrollment change since 2017-18 ranked fastest growth first | +12.3% | #437 of 1,139 | #12 of 21 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
264
+46 (+21%) vs 2020
-24% since 2010-11, when it was 349
Student : Teacher
22.0:1
was 21.8:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 264 | 12 | 22.0:1 | 67% (177) |
| 2023-24 | 235 | 10 | 23.5:1 | 76% (178) |
| 2022-23 | 244 | 11 | 22.2:1 | 69% (168) |
| 2020-21 | 218 | 10 | 21.8:1 | 61% (133) |
| 2017-18 | 235 | 9 | 26.1:1 | 68% (159) |
| 2015-16 | 228 | 10 | 22.8:1 | 65% (148) |
| 2010-11 | 349 | N/A | N/A | 38% (134) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Arroyo Elementary.
Since 2017-18: students up 12% (235 to 264); teachers up 33% (9 to 12).
About Arroyo Elementary
Simi Valley, California, is home to Arroyo Elementary, a small elementary school. There are 264 students enrolled, covering kindergarten through 6. On average, elementary schools in California enroll around 465, and this school is 43% below that mark.
Arroyo Elementary is one of 27 schools in Simi Valley Unified, which enrolls 15,418 students in total.
A large majority of enrollment at Arroyo Elementary is Hispanic, at 80%. Beyond that, enrollment is 12% White, 4% multiracial, and 3% Asian. The Hispanic share of the county population is lower, at 44%. On the diversity index, which measures the chance that two random students are from different groups, Arroyo Elementary scores 34%.
There are 12 full-time-equivalent teachers at the school, a ratio of 22.0:1. The 22.3:1 average for elementary schools in California is close to this figure. On the income side, 67% of students qualify for free or reduced-price lunch.
On BeatsExpectations, Arroyo Elementary is 8.1 points below its prediction, a result in the middle 80% of California schools.
For the population of Ventura County, the median household earns about $109,797 a year, about 36% of adults have at least a bachelor's degree, and roughly 7% of residents are in poverty. Across Ventura County, 238 public schools serve about 147,841 students.
California Virtual Academy @ Los Angeles is the nearest public school to Arroyo Elementary, about 0.3 miles away. Other public schools within five miles number at least 8.
Federal records code the school's setting as Suburb: Mid-size.
Enrollment figures show a increase of 46 students from 2020-21 to 2024-25.
People who know Arroyo Elementary can post here about homework, tutoring, and testing dates. Teachers and staff are welcome to share updates too.
Ventura County at a glance
View full county profilePopulation
837,469
Census ACS
Median income
$109,797
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
238
147,841 students
Quick facts
Related schools
Other schools in Simi Valley Unified
- Simi Valley HighHigh · 1,910 students
- Royal HighHigh · 1,835 students
- Valley View MiddleMiddle · 1,329 students
- Hillside MiddleMiddle · 1,138 students
- Santa Susana HighHigh · 1,033 students
- Sinaloa MiddleMiddle · 843 students
Other schools in Simi Valley
- California Virtual Academy @ Los AngelesCombined · 5,705 students
- California Virtual Academy @ San DiegoCombined · 3,924 students
- California Virtual Academy @ San JoaquinCombined · 3,219 students
- Simi Valley HighHigh · 1,910 students
- Royal HighHigh · 1,835 students
- iQ Academy California-Los AngelesCombined · 1,721 students
Other Arroyo Elementary schools
4 other US public schools in 2 states are named Arroyo Elementary. Arroyo Elementary is the 5th largest of the 5.
- Arroyo ElementarySanta Ana, CA · 585 students
- Arroyo ElementaryOntario, CA · 493 students
- Arroyo ElementaryPomona, CA · 479 students
- Arroyo Elementary SchoolGLENDALE, AZ · 504 students
Nearby schools
- California Virtual Academy @ Los Angeles0.3 mi · 5,705
- California Virtual Academy @ San Joaquin0.3 mi · 3,219
- Insight School of California0.3 mi · 458
- California Virtual Academy at Sutter0.3 mi · 1,623
- Insight @ San Diego0.3 mi · 231
- California Virtual Academy at Kings0.3 mi · 764
Frequently asked questions
About Arroyo ElementaryWhat is the total enrollment at Arroyo Elementary?
Arroyo Elementary enrolls approximately 264 students in grades KG-06.
What age range does Arroyo Elementary serve?
Arroyo Elementary serves students from grade KG through grade 06.
What is the student-teacher ratio at Arroyo Elementary?
The student-to-teacher ratio at Arroyo Elementary is approximately 22.0:1 (12 FTE teachers).
What is the racial breakdown of students at Arroyo Elementary?
At Arroyo Elementary, the student body is approximately 12% White, 80% Hispanic, 1% Black, 3% Asian, 4% Two or more.
Who oversees Arroyo Elementary?
Arroyo Elementary is overseen by Simi Valley Unified in Ventura County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.