Mt. Diablo Unified
Mt. Diablo Unified is a public school district based in Concord, California, serving 29,494 students in 51 schools. By enrollment it ranks #25 of the 554 California districts with 1,000 or more students, larger than about 96% of them. Its schools average 578 students each, about the same as the California median of 533. Its superintendent is Adam Clark. It spends about $11,965 per student on day-to-day operations, 13% less than the California median. It has roughly 23.2 students per teacher.
How Mt. Diablo compares
Spending and staffing
| Measure | Mt. Diablo | California median | Year |
|---|---|---|---|
| Current spending per student | $11,965 | $13,724 | FY2020-21 |
| Instruction spending per student | $7,575 | $8,321 | FY2020-21 |
| Total spending | $405.8 million | n/a | FY2020-21 |
| Total revenue | $481.4 million | n/a | FY2020-21 |
| Teachers (full-time equivalent) | 1,273 | n/a | 2024-25 |
| Total staff (full-time equivalent) | 2,597 | n/a | 2024-25 |
| Students per teacher | 23.2 | 21.7 | 2024-25 |
| Students per counselor | 476 | 474 | 2024-25 |
Spending: NCES school district finance survey (F-33), FY2020-21. Staffing and enrollment: NCES Common Core of Data, 2024-25. Via the Urban Institute Education Data Portal. The California median compares districts with 1,000 or more students.
Leadership
Moves tracker →Adam Clark
Source: California Department of Education, School Directory, checked 2026-10-19. Report a change
In the news
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Peer districts in California
Compare side by side →| District | Students | Schools | Spending per student | Students per teacher | Rank |
|---|---|---|---|---|---|
| Moreno Valley UnifiedMoreno Valley | 30,926 | 38 | $14,975 | 22.2 | #24 |
| Mt. Diablo UnifiedConcord · this district | 29,494 | 51 | $11,965 | 23.2 | #25 |
| Visalia UnifiedVisalia | 28,809 | 41 | $12,738 | 21.5 | #26 |
| San Ramon Valley UnifiedDanville | 28,615 | 37 | $12,168 | 22.4 | #27 |
| Bakersfield CityBakersfield | 28,365 | 45 | $15,168 | 20.4 | #28 |
Similar-size districts nationally
| District | Students | Spending per student | Students per teacher |
|---|---|---|---|
| Santa Rosa CountyMilton, FL | 29,624 | $9,598 | 18.4 |
| Pharr-San Juan-Alamo ISDPharr, TX | 29,613 | $12,946 | 14.3 |
| Lafayette ParishLafayette, LA | 29,396 | $11,366 | 17.6 |
| Poudre School District R-1Fort Collins, CO | 29,381 | $12,021 | 15.7 |
Peers are the districts closest in enrollment, so they can still differ in many other ways. Enrollment, school counts and phone numbers are from the NCES Common Core of Data, 2024-25.
Printed from Superintendent's Corner: https://superintendentscorner.com/district-ca-mt-diablo-unified