Williams Unified
Colusa County school performance
Williams Unified is badly underperforming.
Reading and math results average to the 12th percentile among California school districts.
Only 29.0% of students met California's reading standard, and it is trending down slightly.
Math is weaker: 12.4% of students met California's math standard, it is holding steady.
| Current Reading Proficiency | 29.0% |
| Current Math Proficiency | 12.4% |
| District Reading Rank | 824 / 977 (16th percentile) |
| District Math Rank | 896 / 977 (8th percentile) |
| Student / Teacher Ratio | 20:1 |
| Spend per Student | $16,360 |
| Schools in District | 3 |
| Student Enrollment | 1,303 |
| Low-Income Students | 1,176 (90.3%) |
| English Learners | 660 (50.7%) |
District Website
Great Schools
Niche
Ed-Data
CAASPPTest score trends
Reading fell 1.6 points from last year and fell 0.8 points over the full period. Math fell 0.9 points from last year and rose 0.2 points over the full period.
•Math +0.2 percentage points
Board Members
| name | elected | up for re-election |
|---|---|---|
Cesar Perez President | N/A | N/A |
Ramiro Solis Vice President | N/A | N/A |
Edward Davis Member | N/A | N/A |
Heather Covarrubias Member | N/A | N/A |
Kathleen Manor Member | N/A | N/A |
Expand for details on low-income and english learner performance
Reading Proficiency Scores
Comparison of low-income and English learner groups using district-level CAASPP proficiency data.
Low-Income vs Non-Low-Income
Low-income students trail other students by 13.0 points in reading. It widened over the period shown.
•English Learners vs English Native
11.0% of English learners meet the reading standard, compared with 32.3% of English-only students. The gap narrowed as English-learner results rose and English-only results fell.
•Math Proficiency Scores
Comparison of low-income and English learner groups using district-level CAASPP proficiency data.
Low-Income vs Non-Low-Income
Low-income students trail other students by 8.5 points in math. It widened over the period shown.
•English Learners vs English Native
7.0% of English learners meet the math standard, compared with 15.6% of English-only students. The gap narrowed as English-learner results rose and English-only results rose.
•District School Map
Schools in this district, color-coded by reading proficiency.
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Hover over a school marker to see details
Schools
Understanding this district
How does Williams Unified rank in California?
Williams Unified ranks No. 824 of 977 in reading and No. 896 of 977 in math for 2026. These proficiency rankings compare districts across all district types.
Are results improving across Williams Unified’s schools?
Over 2024–2026, reading proficiency rose at 2 of 3 schools with results covering that full period; math rose at 2 of 3.
Compare school trendsHow do low-income students in Williams Unified compare with other districts?
Low-income reading proficiency is 27.7%, compared with 35.1% at a typical California unified district. In math, it is 11.5%, compared with 23.6%.
See student-group resultsWhich districts should I compare with Williams Unified?
Unified districts in Colusa County. Peers have the closest enrollment sizes.
| District | Math | Reading |
|---|---|---|
| Williams UnifiedThis district | 12.4% | 29.0% |
| Pierce Joint Unified | 26.6% | 36.4% |
| Colusa Unified | 31.2% | 41.0% |
How we compare low-income results
“Typical” is the median across 339 California unified districts with 2026 results, a reported low-income population, and at least 20 low-income tested students in each subject. Each district counts once. This compares proficiency for low-income students, rather than the gap between income groups.
