The lowest-performing public schools by test proficiency in Colusa County, California
This ranking covers the lowest-performing public schools by test proficiency in Colusa County, California, drawn from 11 qualifying public schools. Williams Upper Elementary leads the list at 17.6%, against a median of 30.8% across the ranked schools.
The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.
| # | School | City | % Proficient |
|---|---|---|---|
| 1 | Williams Upper Elementary | Williams, CA | 17.6% |
| 2 | Williams Primary Elementary | Williams, CA | 23.3% |
| 3 | Williams Junior/Senior High | Williams, CA | 24.9% |
| 4 | George T. Egling Middle | Colusa, CA | 28.5% |
| 5 | Pierce High | Arbuckle, CA | 30.2% |
| 6 | James M. Burchfield Primary | Colusa, CA | 30.8% |
| 7 | Colusa High | Colusa, CA | 32.2% |
| 8 | Arbuckle Elementary | Arbuckle, CA | 32.5% |
| 9 | Maxwell Sr High | Maxwell, CA | 34.6% |
| 10 | Lloyd G. Johnson Junior High | Arbuckle, CA | 35.1% |
| 11 | Maxwell Elementary | Maxwell, CA | 37.6% |
All schools in Colusa County →
Lowest proficiency rankings at a wider scope
Other rankings for Colusa County, California
allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.