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Schools in 93257 — Porterville, California: 28 schools. Average score 7.1 points below the state. Here is what that number does — and doesn't — tell you.

93257 has 28 ranked schools in Porterville, averaging a Scope Score of 37.7/100 — 7.1 points below the state average of 44.8 (CDE CAASPP 2025). Scores range from 15.2 to 60.8, a 45.6-point spread.

Avg Scope Score
37.7
State avg: 44.8
SchoolScope composite
Score Range
45.6
15.2 – 60.8
Avg Exceeded %
11.5%
State avg: 21.3%
Chronic Absenteeism
16.8%
State avg: 17.9%
Schools Ranked
28
With Scope Scores

How 93257 schools perform

The top-ranked school is Woodville Elementary with a Scope Score of 61 and 18.7% of students exceeding standard.

Chronic absenteeism across 93257 averages 16.8%, near the state average of 17.9%. CDE CAASPP 2025.

How 93257 compares to nearby zip codes

ZipCitySchoolsAvg Scorevs 93257
93257Porterville28Developing
37.7/100
93252Maricopa5Developing
33.0/100
-4.7
93263Shafter6Developing
40.5/100
+2.8
93250McFarland5Developing
33.1/100
-4.6
93249Lost Hills3Developing
38.6/100
+0.9
93247Lindsay8Developing
39.0/100
+1.3

Source: CDE CAASPP 2025, analyzed by SchoolScope.

School archetypes in 93257

8 Culture First5 On the Rise2 Growth Engine13 Building Momentum

Hidden gems: 7 schools in 93257 are classified as On the Rise (5) or Growth Engine (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 93257

ranked by Scope Score · 2024–25 CAASPP

#SchoolExceededScore
1Woodville Elementary
Woodville Union Elementary Growth Engine
18.7%Solid
61/100
2Santa Fe Elementary
Porterville Unified Culture First
26.4%Solid
53/100
3Hope Elementary
Hope Elementary Culture First
16.4%Solid
51/100
4Monache High
Porterville Unified Building Momentum
16.1%Developing
49/100
5John J. Doyle Elementary
Porterville Unified Culture First
9.5%Developing
49/100
6Summit Charter Academy
Burton Elementary Culture First
18.4%Developing
48/100
7Monarch River Academy
Alta Vista Elementary Culture First
13.9%Developing
46/100
8Porterville High
Porterville Unified Building Momentum
15.8%Developing
45/100
9Porterville Military Academy
Porterville Unified Building Momentum
17.1%Developing
45/100
10Westfield Elementary
Porterville Unified Growth Engine
13.4%Developing
45/100
11Pioneer Middle
Porterville Unified On the Rise
9.6%Developing
43/100
12Granite Hills High
Porterville Unified Building Momentum
11.1%Developing
43/100
13Vandalia Elementary
Porterville Unified Building Momentum
15.3%Developing
42/100
14Oak Grove Elementary
Burton Elementary On the Rise
10.3%Developing
40/100
15Jim Maples Academy
Burton Elementary On the Rise
7.9%Developing
40/100
16Olive Street Elementary
Porterville Unified Culture First
19.4%Developing
37/100
17William R. Buckley Elementary
Burton Elementary On the Rise
8.7%Developing
36/100
18Monte Vista Elementary
Porterville Unified Building Momentum
9.2%Developing
35/100
19Roche Elementary
Porterville Unified Building Momentum
9.1%Developing
34/100
20Los Robles Elementary
Porterville Unified Building Momentum
9.2%Developing
34/100
21Rockford Elementary
Rockford Elementary Culture First
6.1%Developing
32/100
22Burton Elementary
Burton Elementary Building Momentum
13.0%Needs Support
28/100
23West Putnam Elementary
Porterville Unified Culture First
9.7%Needs Support
28/100
24Butterfield Charter
Porterville Unified Building Momentum
2.9%Needs Support
21/100
25Belleview Elementary
Porterville Unified Building Momentum
8.4%Needs Support
20/100
26Alta Vista Elementary
Alta Vista Elementary On the Rise
3.0%Needs Support
19/100
27Pleasant View Elementary
Pleasant View Elementary Building Momentum
1.3%Needs Support
16/100
28Citrus High
Porterville Unified Building Momentum
1.0%Needs Support
15/100
Source: CDE CAASPP 2025 · 28 schools in 93257Methodology · Explore all schools

Schools in 93257 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 93257

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 93257 (Porterville) good?
93257 has 28 ranked schools in Porterville, averaging a Scope Score of 37.7/100 — 7.1 points below the state average. 11.5% 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 93257?
The highest-scoring school in zip code 93257 is Woodville Elementary with a Scope Score of 61/100 and 18.7% of students exceeding the state standard. See full methodology.
How do 93257 schools compare to the state average?
Schools in zip code 93257 average a Scope Score of 37.7/100 — 7.1 points below the state average of 44.8. The exceeded rate averages 11.5% vs. 21.3% statewide.
How many schools are in zip code 93257?
Zip code 93257 has 28 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.