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Needs Improvement

#8958 of 9,539 schools in CA

Arroyo Elementary

Elementary School · Simi Valley Unified · Simi Valley, CA

A Simi Valley Unified elementary school serving grades Kindergarten – 6th.

225 Ulysses St., Simi Valley, CA 93065

  • Math 23% vs CA 38% (2024)
  • Reading 41% vs CA 45% (2024)
  • 23.5:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress2.4Needs Improvement50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-2.71 pts/yr
Data Period2009–2024
TrendDeclining
Academics6.2Average30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency23.7% (2024 CAASPP)
Reading/ELA Proficiency40.6% (2024 CAASPP)
Math vs. State Avg-22 pts
Reading vs. State Avg-2.2 pts
Overall Proficiency32% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)32% (model expectation from 2024 CAASPP)
vs. Expected+0.5 pts
Adjusted Percentile46th
Resources & Environment2.9Needs Improvement20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio23.5:1
District spending per student$15,369
Chronic Absenteeism39.6%

Students at Arroyo Elementary score 32% proficient, which is above what's typical for similar communities (expected: 32%).

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency23%(2024 CAASPP)
School
State
38%(2024 CAASPP)
ELA Proficiency41%(2024 CAASPP)
School
State
45%(2024 CAASPP)

Trend

↑ Recovering

Proficiency declined earlier in the 16-year record (2009–2024), then recovered 7 points since 2020, reaching 32% in 2024.

Show all 14 years
2009
Math
57%
ELA
57%
2010
Math
68%
ELA
66%
2011
Math
67%
ELA
65%
2012
Math
57%
ELA
62%
2014
Math
22%
ELA
22%
2015
Math
22%
ELA
42%
2016
Math
22%
ELA
37%
2017
Math
17%
ELA
37%
2018
Math
17%
ELA
42%
2019
Math
17%
ELA
42%
2020*
Math
17%
ELA
32%
2021*
Math
17%
ELA
32%
2022
Math
16%
ELA
40%
2024
Math
23%
ELA
41%

Multi-year averages used by the rating model: math 29% (multi-year average, 2009-2024) · reading/ELA 43% (multi-year average, 2009-2024)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 36 test records from CA state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

75.7%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Arroyo Elementary sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 63Somewhat Walkable
  • Transit 29Some Transit
  • Bike 65Bikeable
  • City Safety: Elevated1,059/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Simi Valley), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$113,893

Median home value

$759,700

Median rent

$2,612/mo

College educated

38.4%

Homeownership

72.9%

Poverty rate

7.5%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 93065; this is area context, not an attendance boundary.

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
California Virtual Academy @ Los AngelesCharter · enrollment unverified5.8K–120.3 mi5,700Compare →
California Virtual Academy @ San DiegoCharter · enrollment unverified5.7K–120.3 mi3,680Compare →
California Virtual Academy @ San JoaquinCharter · enrollment unverified5.6K–120.3 mi2,918Compare →
California Virtual Academy @ SonomaCharter · enrollment unverified5.3K–120.3 mi873Compare →

Distance is proximity only; it is not attendance eligibility.

Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.

Simi Valley Unified

Schools in district
27
Rank in district
#25 of 27
District spending per student
$15,369NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
8.7%Census SAIPE · 2024

Arroyo Elementary is listed in Simi Valley Unified; a district label does not verify attendance for an address.

About Arroyo Elementary

Arroyo Elementary is a public elementary school in Simi Valley, CA, part of Simi Valley Unified, serving approximately 235 students in grades Kindergarten-6th with a 23.5:1 student-teacher ratio. It holds a MySchoolScout rating of 3.6 out of 10 and ranks #8,958 of 9,539 schools in CA. State assessment records show 29% math proficiency (multi-year average, 2009-2024) and 43% reading/ELA proficiency (multi-year average, 2009-2024).

Frequently asked questions

Common questions about Arroyo Elementary

What grades does Arroyo Elementary serve?

Arroyo Elementary serves students in grades Kindergarten through 6th.

How many students attend Arroyo Elementary?

Arroyo Elementary has an enrollment of approximately 235 students.

What is the student-teacher ratio at Arroyo Elementary?

The student-teacher ratio at Arroyo Elementary is 23.5:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Arroyo Elementary rank in CA?

Arroyo Elementary ranks #8,958 of 9,539 schools in CA.

What is Arroyo Elementary's MySchoolScout rating?

Arroyo Elementary has a current MySchoolScout rating of 3.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Arroyo Elementary?

Based on loaded state assessment records, Arroyo Elementary has 29% math proficiency (multi-year average, 2009-2024) and 43% reading/ELA proficiency (multi-year average, 2009-2024).

Is Arroyo Elementary a charter school?

No, Arroyo Elementary is not a charter school. It is a traditional public school operated by the local school district.

Is Arroyo Elementary a Title I school?

No, Arroyo Elementary is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Arroyo Elementary?

75.7% of students at Arroyo Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
Kindergarten – 6th
Enrollment
235
Student-Teacher Ratio
23.5:1
Teachers (FTE)
10
Type
regular
Setting
Midsize Suburb
County
Ventura County
Chronic Absenteeism (SY 2022-23)
39.6%
Area population (ZIP 93065)
72,585
Area average commute
28.4 min
Area median age
41.4
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 93065; this does not measure the attendance area.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24

About our data · How we calculate scores

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