How does Apollo High compare to other high schools in Simi Valley?

Apollo High has a Scope Score of 14/100, ranked #1625 among California high schools. 1% of students exceed standard, with a total of 98 students tested across grades and subjects.

What percentage of students exceed standards at Apollo High?

1.0% of students at Apollo High exceed the state standard on CAASPP assessments, while 6.1% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

What is the chronic absenteeism rate at Apollo High?

67.1% of students at Apollo High are chronically absent (missing 10% or more of school days). This metric reflects school culture and family engagement, and is weighted at 15% in the Scope Score.

Apollo High

High School

Simi Valley UnifiedSimi Valley, Ventura County93065

📍 3150 School Street 📞 (805) 520-6150 🌐 Website

Scope Score

out of 100

State Rank

of 1,649 California high schools

🌱

Building Momentum

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Resources alone aren't driving results yet — deeper challenges may be at play

Scope Scores are SchoolScope's analysis of public data from the California Dept. of Education (CAASPP, chronic absenteeism, suspension rates). They are not official CDE ratings and should not be the sole basis for school decisions. See methodology.

Score Factors

Holding Back

▼Graduation rate: 72.9%

14.5pp below state avg (state avg 87.4%)

25% weight

▼Exceeded standard: 1.0%

14.7pp below state avg (state avg 15.7%)

20% weight

▼College readiness: 0.0%

AP exam pass rate below state avg (state avg 35.3%)

20% weight

▼Met or exceeded: 6.1%

28.6pp below state avg (state avg 34.8%)

15% weight

▼Chronic absenteeism: 67.1%

32.8pp above state avg (state avg 34.3%)

10% weight

▼Baseline proficiency: 6.1%

Below state baseline (state avg 34.8%)

5% weight

▼Suspension rate: 8.6%

4.5pp above state avg (state avg 4.1%)

5% weight

Unlike traditional school ratings, we show our work. Every factor, its weight, and how this school compares to the state average — so you can decide what matters most to your family. The high school Scope Score is weighted across 7 dimensions. See full methodology →

College & career readiness

Graduation Rate

72.9%

AP Exam Prepared

Not offered

This school may not offer AP courses

A-G Completion

0.0%

This school may not offer A-G courses

College-Going Rate

37.0%

Data source: California Department of Education — ACGR, CCI, CGR reports

5-year trend

Stable (±2.0)

Rank: #1623 → #1473 → #1582 → #1602 → #1625Exceeded: 0% → 3% → 1% → 0% → 1%

2019 · 2022 · 2023 · 2024 · 2025 · No testing 2020–21 (COVID) · Scope Score based on CAASPP, absenteeism & suspension data

Key metrics

% Exceeded Standard

1.0%

Students scoring above proficient

% Met or Above

6.1%

Students meeting standard

Chronic Absenteeism

67.1%

Students missing 10%+ of days

Suspension Rate

8.6%

Students suspended at least once

Total Tested

Across all grades & subjects

ELA scores by grade

Grade	Tested	Exceeded	Met	Nearly Met	Not Met	Met+Above
11th	49	2.0%	10.2%	40.8%	46.9%	12.2%

Math scores by grade

Grade	Tested	Exceeded	Met	Nearly Met	Not Met	Met+Above
11th	49	0.0%	0.0%	8.2%	91.8%	0.0%

Science (CAST)

Level	%
Exceeded	0.0%
Met	1.7%
Nearly Met	65.5%
Not Met	32.8%
Met+	1.7%

58 students tested · CAST is tested in grades 5, 8, and once in high school — not annually like ELA/Math. Not included in the Scope Score. · Data source: CDE CAST 2025

What other rankings don't show you

Most rating sites report "6% proficient" for Apollo High and stop there. Here's what that number hides:

1.0% of students exceeded standard while 5.1% met it. That exceeded rate is 14.7 points below the state average of 15.7%. That's 18.2 points below the Simi Valley Unified district average of 19.2%. The 2 nearby schools within ~3 miles average 29.3% exceeded — 28.3 points higher. The gap between "met" and "exceeded" can reveal how much a school's curriculum challenges students beyond proficiency.

The graduation rate is 72.9%. 37.0% of graduates go on to college within a year.

Chronic absenteeism is 67.1%, above the state average of 34.3%.

Why the exceeded vs. met split matters →

A low score doesn't tell the whole story. Read: Your School Scored Low — Here's What That Actually Means