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Schools in 91306 — Winnetka, California: 9 schools. Average score 4.6 points below the state. Here is what that number does — and doesn't — tell you.

91306 has 9 ranked schools in Winnetka, averaging a Scope Score of 40.3/100 — 4.6 points below the state average of 44.8 (CDE CAASPP 2025). Scores range from 24.1 to 57.7, a 33.6-point spread.

Avg Scope Score
40.3
State avg: 44.8
SchoolScope composite
Score Range
33.6
24.1 – 57.7
Avg Exceeded %
14.9%
State avg: 21.3%
Chronic Absenteeism
20.8%
State avg: 17.9%
Schools Ranked
9
With Scope Scores

How 91306 schools perform

The top-ranked school is Citizens of the World Charter School West Valley with a Scope Score of 58 and 30.3% of students exceeding standard.

Chronic absenteeism across 91306 averages 20.8%, above the state average of 17.9%. CDE CAASPP 2025.

How 91306 compares to nearby zip codes

ZipCitySchoolsAvg Scorevs 91306
91306Winnetka9Developing
40.3/100
91307West Hills4Solid
53.4/100
+13.1
91304Canoga Park6Developing
48.6/100
+8.3
91303Canoga Park7Developing
38.3/100
-2.0
91302Calabasas7Solid
64.4/100
+24.2
91301Agoura6Solid
58.6/100
+18.4

Source: CDE CAASPP 2025, analyzed by SchoolScope.

School archetypes in 91306

2 Growth Engine2 On the Rise1 Culture First4 Building Momentum

Hidden gems: 4 schools in 91306 are classified as Growth Engine (2) or On the Rise (2) — showing positive growth trajectories that raw proficiency scores alone don't capture. These are schools where students leave with more than they arrived with.

Archetypes are data-driven labels based on Scope Score dimensions. Learn more

For the data nerds

All schools in 91306

ranked by Scope Score · 2024–25 CAASPP

#SchoolExceededScore
1Citizens of the World Charter School West Valley
Los Angeles Unified Growth Engine
30.3%Solid
58/100
2James Jordan Middle
Los Angeles Unified Growth Engine
18.5%Developing
50/100
3Limerick Avenue Elementary
Los Angeles Unified Building Momentum
21.0%Developing
45/100
4Stanley Mosk Elementary
Los Angeles Unified Culture First
17.1%Developing
43/100
5John A. Sutter Middle
Los Angeles Unified On the Rise
8.7%Developing
41/100
6Sunny Brae Avenue Elementary
Los Angeles Unified Building Momentum
10.6%Developing
37/100
7Winnetka Avenue Elementary
Los Angeles Unified Building Momentum
13.0%Developing
34/100
8Fullbright Avenue Elementary
Los Angeles Unified Building Momentum
10.7%Developing
31/100
9Ingenium Charter Middle
Los Angeles Unified On the Rise
4.5%Needs Support
24/100
Source: CDE CAASPP 2025 · 9 schools in 91306Methodology · Explore all schools

Schools in 91306 on the map

Data source: California Department of Education · CAASPP 2024-25 · Methodology

Scores are SchoolScope's analysis of public data, not official CDE ratings. They represent one way of interpreting test results and should not be the sole basis for school decisions.

What Scope Scores can't tell you about 91306

Numbers tell you whether students are clearing the bar. A school visit tells you whether they're happy doing it. These metrics are intentionally missing from the Scope Score: class sizes and student-teacher interaction quality; arts, music, athletics, and enrichment programs; teacher experience and turnover; campus safety and social-emotional support; parent and community engagement; quality of special education and gifted programs; how school zones and enrollment boundaries affect access. Full methodology

Frequently asked questions

Are the schools in 91306 (Winnetka) good?
91306 has 9 ranked schools in Winnetka, averaging a Scope Score of 40.3/100 — 4.6 points below the state average. 14.9% of students exceed the state standard on average. Data source: California Department of Education CAASPP 2025, analyzed by SchoolScope.
What is the best school in 91306?
The highest-scoring school in zip code 91306 is Citizens of the World Charter School West Valley with a Scope Score of 58/100 and 30.3% of students exceeding the state standard. See full methodology.
How do 91306 schools compare to the state average?
Schools in zip code 91306 average a Scope Score of 40.3/100 — 4.6 points below the state average of 44.8. The exceeded rate averages 14.9% vs. 21.3% statewide.
How many schools are in zip code 91306?
Zip code 91306 has 9 ranked schools with Scope Scores. Schools are ranked using a weighted composite of CAASPP test performance, growth trajectory, chronic absenteeism, and suspension rate. Schools with insufficient testing data are not ranked.
What does the Scope Score measure?
The Scope Score is SchoolScope's proprietary composite rating (0–100) based on seven dimensions of publicly available California school data: the exceeded-vs-met standard split, overall proficiency, grade 3–5 growth, chronic absenteeism, suspension rate, ELPAC English Learner proficiency, and baseline proficiency. Full methodology and weights.