Total enrollment
29,210
-335 (-1%) vs SY 2020-21
52 schools in Mt. Diablo Unified
California · 29,210 students · 7 cities
Looking at the Mt. Diablo Unified system: 52 public K-12 schools serving approximately 29,210 students inside California, averaging 562 per school.
4-year change in Mt. Diablo Unified
SY 2020-21 vs SY 2024-25School count
50
-1 (-2%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How Mt. Diablo Unified ranks
Among districts| Measure | This district | In California | In the US |
|---|---|---|---|
| State test proficiency ranked highest first | 42.8% | #235 of 534 | N/A |
| Enrollment ranked largest first | 29,210 | #25 of 587 | #234 of 9,234 |
| Number of schools ranked most first | 50 | #18 of 587 | N/A |
| Students per teacher ranked fewest first | 23.6:1 | #517 of 587 | #8,914 of 9,044 |
| Free or reduced-price lunch share ranked highest first | 51.9% | #375 of 587 | #3,875 of 8,164 |
| Diversity index ranked most diverse first | 71.0% | #42 of 530 | #298 of 6,853 |
Districts need at least 2 schools and 500 students to be ranked. Test proficiency is ranked within the state only, since each state gives a different test. Each rank links to the full list.
Inside Mt. Diablo Unified
State test results across the district's 44 scored schools run from Walnut Acres Elementary at 79.7% proficient to Shore Acres Elementary at 6.9%, a gap of 72.7 points. That is the 13th widest gap among 458 California districts with four or more scored schools.
Since 2017-18, the 49 district schools that reported both years went from 30,967 to 29,189 students (down 6%) and from 1,383 to 1,236 full-time teachers (down 11%), as of 2024-25.
Proficient is the average share of students meeting the state standard across each school's state tests in 2023-24 and 2024-25; schools with fewer than 100 students and schools serving specialized populations are left out. Staffing figures come from the NCES Common Core of Data and count only schools that reported students and teachers in both years.
About Mt. Diablo Unified
Across 52 schools, Mt. Diablo Unified educates about 29,210 students in California. By footprint it is a sparse district.
For a sense of the school types, Mt. Diablo Unified consists of 32 elementary, 9 middle, 10 high schools, and 1 combined or other.
Looking at the last 4 years. Total public-school enrollment in Mt. Diablo Unified has remained close to its prior level since SY 2020-21, moving from about 29,545 students to 29,210. Over that span, Mt. Diablo Unified lost 1 school, going from 51 to 50.
In the discussion threads here, the community for Mt. Diablo Unified discusses sports rivalries, cross-district programs, and shared facilities. Members of the local community share what they see day-to-day.