Gridley High
300 East Spruce Street, Gridley, CA 95948-2235
Summary
Gridley High is a good school.
Reading and math results average to the 81st percentile among comparable California schools.
78.1% of students met California's reading standard, but it is trending down.
Math is weaker: 34.4% of students met California's math standard, and it is quickly trending down.
Proficiency stats
| Current Reading Proficiency | 78.1% |
| Current Math Proficiency | 34.4% |
| Reading State Rank | 160/1,596 (90th percentile) |
| Math State Rank | 448/1,596 (72nd percentile) |
School information
| Student / Teacher Ratio | 20:1 |
| Student enrollment (2024–25) | 670 |
| Low-Income Students | 473 (70.6%) |
| English Learners | 20 (3.0%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 5.2 points from last year and fell 5.6 points over the full period. Math fell 5.9 points from last year and fell 11.7 points over the full period.
•Math -11.7 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Most students in every reported group meet the reading standard. White and Hispanic or Latino students have the strongest results.
Distribution of Scores by Grade
78.1% of tested students meet the reading standard in the grade shown. Overall, the school’s reading results rank in the top 11% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 14.1-point reading income gap is narrower than the 14.7-point gap at a typical California 9–12 school. It widened over the period shown.
•English Learners vs English Native
Results for both language groups are unavailable, so a current reading gap cannot be calculated.
Math Proficiency Scores
2026 state test results
Race and Ethnicity
White students have the strongest math results at about 39% proficiency. The other reported groups range from about 29% to 29%.
Distribution of Scores by Grade
34.4% of tested students meet the math standard in the grade shown. Overall, the school’s math results rank in the top 29% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 18.3-point math income gap is slightly wider than the 14.2-point gap at a typical California 9–12 school. It narrowed over the period shown.
•English Learners vs English Native
Results for both language groups are unavailable, so a current math gap cannot be calculated.
How we compare income gaps
“Typical” means the median gap across 876 schools for reading and 882 for math. The comparison uses 2026 California 9–12 schools with at least 20 tested students in each income group and a reported low-income student population. Each school counts once. Its gap is non-low-income proficiency minus low-income proficiency, including negative gaps. California state test data
Understanding this school
How does Gridley High rank in California?
Gridley High ranks No. 160 of 1,596 in reading and No. 448 of 1,596 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How does Gridley High compare with other schools in Butte County?
Gridley High is No. 1 in reading and No. 4 in math proficiency among the 10 9–12 schools in Butte County with 2026 results.
Explore schools in Butte County