The lowest-performing public middle schools by test proficiency in San Joaquin County, California
This ranking covers the lowest-performing public middle schools by test proficiency in San Joaquin County, California, drawn from 12 qualifying public middle schools. Delta Sierra Middle leads the list at 15.1%, against a median of 32.3% 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 | Delta Sierra Middle | Stockton, CA | 15.1% |
| 2 | Earle E. Williams Middle | Tracy, CA | 27.7% |
| 3 | Lodi Middle | Lodi, CA | 28.4% |
| 4 | Morada Middle | Stockton, CA | 29.1% |
| 5 | Monte Vista Middle | Tracy, CA | 29.6% |
| 6 | Millswood Middle | Lodi, CA | 30.4% |
| 7 | El Portal Middle | Escalon, CA | 34.3% |
| 8 | Christa McAuliffe Middle | Stockton, CA | 35.7% |
| 9 | Waterloo Elementary | Stockton, CA | 37.3% |
| 10 | Sierra Middle | Stockton, CA | 37.6% |
| 11 | Jefferson | Tracy, CA | 76.5% |
| 12 | Elkhorn | Stockton, CA | 93.0% |
All schools in San Joaquin County →
Lowest proficiency rankings at a wider scope
Other rankings for San Joaquin 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.