Total enrollment
7,936
-1,468 (-16%) vs SY 2020-21
17 schools in San Lorenzo Unified
California · 7,936 students · 3 cities
In total, San Lorenzo Unified hosts 17 public K-12 schools with about 7,936 students, averaging 467 per school.
4-year change in San Lorenzo Unified
SY 2020-21 vs SY 2024-25School count
16
0 (0%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How San Lorenzo Unified ranks
Among districts| Measure | This district | In California | In the US |
|---|---|---|---|
| State test proficiency ranked highest first | 28.2% | #429 of 534 | N/A |
| Enrollment ranked largest first | 7,936 | #191 of 587 | #1,185 of 9,234 |
| Number of schools ranked most first | 16 | #140 of 587 | N/A |
| Students per teacher ranked fewest first | 22.2:1 | #369 of 587 | #8,737 of 9,044 |
| Free or reduced-price lunch share ranked highest first | 74.6% | #207 of 587 | #1,582 of 8,164 |
| Diversity index ranked most diverse first | 58.5% | #213 of 530 | #1,841 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 San Lorenzo Unified
State test results across the district's 14 scored schools run from Arroyo High at 43.3% proficient to Edendale Middle at 9.8%, a gap of 33.5 points. That is the 191st widest gap among 458 California districts with four or more scored schools.
Since 2017-18, the 16 district schools that reported both years went from 10,467 to 7,936 students (down 24%) and from 460 to 358 full-time teachers (down 22%), 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.
| Name | City | Level | Grades | Enrollment |
|---|---|---|---|---|
| Arroyo High | San Lorenzo | High | 09-12 | 1,499 |
| San Lorenzo High | San Lorenzo | High | 09-12 | 1,029 |
| Bohannon Middle | San Lorenzo | Middle | 06-08 | 606 |
| Hesperian Elementary | San Lorenzo | Elementary | KG-05 | 500 |
| Washington Manor Middle | San Leandro | Middle | 06-08 | 500 |
| Edendale Middle | San Lorenzo | Middle | 06-08 | 483 |
| Colonial Acres Elementary | Hayward | Elementary | KG-05 | 458 |
| Lorenzo Manor Elementary | Hayward | Elementary | KG-05 | 447 |
| Bay Elementary | San Lorenzo | Elementary | KG-05 | 422 |
| Del Rey Elementary | San Lorenzo | Elementary | KG-05 | 373 |
| Corvallis Elementary | San Leandro | Elementary | KG-05 | 349 |
| Hillside Elementary | San Leandro | Elementary | KG-05 | 347 |
| Dayton Elementary | San Leandro | Elementary | KG-05 | 340 |
| Grant Elementary | San Lorenzo | Elementary | KG-05 | 322 |
| East Bay Arts High | San Lorenzo | High | 09-12 | 154 |
| Royal Sunset (Continuation) | Hayward | High | 07-12 | 107 |
| San Lorenzo Unified Preschool | Hayward | Elementary | M-M | · |
About San Lorenzo Unified
San Lorenzo Unified is a compact public-school district in California. The district runs 17 schools and educates approximately 7,936 students.
In terms of grade levels, San Lorenzo Unified is built around 10 elementary, 3 middle, and 4 high schools.
On a per-school basis, San Lorenzo Unified runs about 467 students per school, 19% below the state mean of roughly 578.
Looking at the last 4 years. Across the same 4-year window, public-school enrollment fell 16%: 9,404 students in SY 2020-21 versus 7,936 in SY 2024-25.
On allk12, the community for San Lorenzo Unified discusses school events, board meetings, and seasonal calendars. Parents, students, and educators in the area can post or comment.