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Schools in 90603 — Whittier, California: 90603 students aren't just reaching proficiency — many go beyond it.

90603 has 3 ranked schools in Whittier, averaging a Scope Score of 56.7/100 — 17.8 points above the state average of 38.9 (a state average weighted to 90603's own mix of school levels; CDE CAASPP 2025). Scores range from 44.6 to 65.2, a 20.5-point spread. 1 school ranks in the 90th percentile or above statewide.

How 90603 schools perform

The top-ranked school is Murphy Ranch Elementary with a Scope Score of 65 and 44.0% of students exceeding standard.

Students here are going past the bar, not just to it. Schools here average 38.0% exceeding standard — well above the statewide average of 21.4%, itself weighted to 90603's own level mix.

Cohort growth among 90603's elementary schools — the returning cohort, 2023 G3 → 2025 G5 — averages +76 scale-score points across 3 schools in 90603 with a large enough tested cohort. Scale scores rise with grade for nearly every school, so this describes the cohort's trajectory, not a ranking against other zip codes — worth examining school by school.

Chronic absenteeism across 90603 averages 9.0%, below the state average of 17.9%, weighted to 90603's own level mix. CDE CAASPP 2025.

How 90603 compares to nearby zip codes

ZipCityMilesSchoolsAvg Scorevs 90603
90603Whittier356.7/100
90604Whittier1.71043.6/100-13.1
90631La Habra2.21341.8/100-14.9
90638La Mirada2.6944.7/100-12.0
90605Whittier2.6940.8/100-15.9
91745Hacienda Heights4.21246.7/100-10.0

Source: CDE CAASPP 2025, analyzed by SchoolScope.

School archetypes in 90603

1 Strong All-Around1 Solid Base1 Growth Engine

Hidden gems: 1 school in 90603 is classified as Growth Engine — 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 90603

ranked by Scope Score · 2024–25 CAASPP

Figures
Score range44.6 – 65.2
20.5 pts SchoolScope composite
Chronic absenteeismstate avg 17.9% (level-matched)

Elementary Schools (3)

avg 56.7/1003 ranked elementary schools2 Strong, 1 Solid
#SchoolExceededScore
1Murphy Ranch Elementary
East Whittier City Elementary Strong All-Around
44.0%91st percentile · StrongScope Score 65/100
2Leffingwell Elementary
East Whittier City Elementary Solid Base
47.7%87th percentile · StrongScope Score 60/100
3Jordan Elementary
Lowell Joint Growth Engine
22.4%68th percentile · SolidScope Score 45/100
Source: CDE CAASPP 2025 · 3 schools in 90603Methodology · Explore all schools

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 90603

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 90603 (Whittier) good?
90603 has 3 ranked schools in Whittier, averaging a Scope Score of 56.7/100 — 17.8 points above the state average, a benchmark weighted to 90603's own mix of school levels. 38.0% 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 90603?
The highest-scoring school in zip code 90603 is Murphy Ranch Elementary with a Scope Score of 65/100 and 44.0% of students exceeding the state standard. See full methodology.
How do 90603 schools compare to the state average?
Schools in zip code 90603 average a Scope Score of 56.7/100 — 17.8 points above the state average of 38.9, a state average weighted to zip code 90603's own mix of school levels. The exceeded rate averages 38.0% vs. 21.4% statewide (also level-weighted).
How many schools are in zip code 90603?
Zip code 90603 has 3 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 composite rating (0–100), built from publicly available California school data across academic-performance and school-climate signals. Full methodology and weights.