Total enrollment
4,900
-294 (-6%) vs SY 2020-21
11 schools in Petaluma Joint Union High
California · 4,900 students · 1 city
Within Petaluma Joint Union High, 11 public K-12 schools serve about 4,900 students, an average of 445 per school.
4-year change in Petaluma Joint Union High
SY 2020-21 vs SY 2024-25School count
11
+1 (+10%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How Petaluma Joint Union High ranks
Among districts| Measure | This district | In California | In the US |
|---|---|---|---|
| State test proficiency ranked highest first | 47.1% | #187 of 534 | N/A |
| Enrollment ranked largest first | 4,900 | #264 of 587 | #1,975 of 9,234 |
| Number of schools ranked most first | 11 | #216 of 587 | N/A |
| Students per teacher ranked fewest first | 20.6:1 | #183 of 587 | #8,463 of 9,044 |
| Free or reduced-price lunch share ranked highest first | 43.7% | #418 of 587 | #5,074 of 8,164 |
| Diversity index ranked most diverse first | 58.4% | #214 of 530 | #1,843 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 Petaluma Joint Union High
State test results across the district's 6 scored schools run from Petaluma Accelerated Charter at 87.9% proficient to Petaluma Junior High at 40.3%, a gap of 47.6 points. That is the 89th widest gap among 458 California districts with four or more scored schools.
Since 2017-18, the 10 district schools that reported both years went from 5,222 to 4,869 students (down 7%) and from 240 to 237 full-time teachers (down 1%), 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 |
|---|---|---|---|---|
| Casa Grande High | Petaluma | High | 09-12 | 1,653 |
| Petaluma High | Petaluma | High | 09-12 | 1,193 |
| Kenilworth Junior High | Petaluma | Middle | 07-08 | 812 |
| Mary Collins Charter School at Cherry Valley | Petaluma | Elementary | KG-08 | 494 |
| Petaluma Junior High | Petaluma | Middle | 07-08 | 454 |
| Petaluma Accelerated Charter | Petaluma | Middle | 07-08 | 115 |
| San Antonio High (Continuation) | Petaluma | High | 09-12 | 65 |
| Valley Oaks High (Alternative) | Petaluma | High | 07-12 | 43 |
| Dual Language Immersion Academy Charter | Petaluma | Middle | 07-08 | 31 |
| Sonoma Mountain High (Necessary Small School) | Petaluma | High | 09-12 | 21 |
| Carpe Diem High (Continuation) | Petaluma | High | 09-12 | 19 |
About Petaluma Joint Union High
Petaluma Joint Union High is a small California school district running 11 schools with combined enrollment near 4,900.
Looking at the level breakdown, Petaluma Joint Union High comprises 1 elementary, 4 middle, and 6 high schools.
Per-school enrollment averages around 445 in this district, lower than the California typical of 578.
Looking at the last 4 years. Combined enrollment now sits at 4,900 students, declined 6% from the 5,194 reported in SY 2020-21. Over that span, Petaluma Joint Union High gained 1 school, going from 10 to 11.
Within the allk12 community for this area, the community for Petaluma Joint Union High discusses sports rivalries, cross-district programs, and shared facilities. Posts come from current and former families, staff, and alumni.