Total enrollment
15,418
-516 (-3%) vs SY 2020-21
27 schools in Simi Valley Unified
California · 15,418 students · 1 city
Simi Valley Unified's public schools, 27 in all, serve about 15,418 K-12 students inside California, an average of 571 per school.
4-year change in Simi Valley Unified
SY 2020-21 vs SY 2024-25School count
27
+1 (+4%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How Simi Valley Unified ranks
Among districts| Measure | This district | In California | In the US |
|---|---|---|---|
| State test proficiency ranked highest first | 43.8% | #220 of 534 | N/A |
| Enrollment ranked largest first | 15,418 | #86 of 587 | #539 of 9,234 |
| Number of schools ranked most first | 27 | #62 of 587 | N/A |
| Students per teacher ranked fewest first | 21.9:1 | #331 of 587 | #8,689 of 9,044 |
| Free or reduced-price lunch share ranked highest first | 45.5% | #408 of 587 | #4,842 of 8,164 |
| Diversity index ranked most diverse first | 63.3% | #154 of 530 | #1,225 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 Simi Valley Unified
State test results across the district's 24 scored schools run from Vista Elementary at 73.8% proficient to Berylwood Elementary at 23.7%, a gap of 50.1 points. That is the 75th widest gap among 458 California districts with four or more scored schools.
Since 2017-18, the 26 district schools that reported both years went from 16,773 to 15,315 students (down 9%) and from 684 to 692 full-time teachers (up 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.
About Simi Valley Unified
Simi Valley Unified is a thinly populated California school district running 27 schools with combined enrollment near 15,418.
In terms of grade levels, Simi Valley Unified consists of 19 elementary, 3 middle, 4 high schools, and 1 combined or other.
Over the past 4-year window. Across the same 4-year window, public-school enrollment shrank 3%: 15,934 students in SY 2020-21 versus 15,418 in SY 2024-25. Over that span, Simi Valley Unified opened 1 school, going from 26 to 27.
On this page, the community for Simi Valley Unified discusses comparison threads between local schools and program reviews. Parents, students, and educators in the area can post or comment.