Total enrollment
13,992
+509 (+4%) vs SY 2020-21
15 schools in Walnut Valley Unified
California · 13,992 students · 3 cities
Walnut Valley Unified's public schools total 15 across the district, with enrollment of about 13,992 and an average school size near 933.
4-year change in Walnut Valley Unified
SY 2020-21 vs SY 2024-25School count
15
0 (0%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How Walnut Valley Unified ranks
Among districts| Measure | This district | In California | In the US |
|---|---|---|---|
| State test proficiency ranked highest first | 73.5% | #34 of 534 | N/A |
| Enrollment ranked largest first | 13,992 | #97 of 587 | #605 of 9,234 |
| Number of schools ranked most first | 15 | #159 of 587 | N/A |
| Students per teacher ranked fewest first | 25.3:1 | #580 of 587 | #8,999 of 9,044 |
| Free or reduced-price lunch share ranked highest first | 24.8% | #512 of 587 | #7,078 of 8,164 |
| Diversity index ranked most diverse first | 46.4% | #358 of 530 | #3,383 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 Walnut Valley Unified
State test results across the district's 14 scored schools run from Maple Hill Elementary at 83.2% proficient to Collegewood Elementary at 62.9%, a gap of 20.2 points. That is the 319th widest gap among 458 California districts with four or more scored schools.
Since 2017-18, the 15 district schools that reported both years went from 14,299 to 13,992 students (down 2%) and from 568 to 554 full-time teachers (down 2%), 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 |
|---|---|---|---|---|
| Diamond Bar High | Diamond Bar | High | 09-12 | 2,563 |
| Walnut High | Walnut | High | 09-12 | 2,148 |
| Chaparral Middle | Diamond Bar | Middle | 06-08 | 1,349 |
| Suzanne Middle | Walnut | Middle | 06-08 | 1,190 |
| South Pointe Middle | Walnut | Middle | 06-08 | 979 |
| Evergreen Elementary | Diamond Bar | Elementary | KG-05 | 709 |
| Walnut Elementary | Walnut | Elementary | KG-05 | 706 |
| Quail Summit Elementary | Diamond Bar | Elementary | KG-05 | 696 |
| Castle Rock Elementary | Diamond Bar | Elementary | KG-05 | 684 |
| Leonard G. Westhoff Elementary | Walnut | Elementary | KG-05 | 654 |
| Vejar Elementary | Walnut | Elementary | KG-05 | 631 |
| Collegewood Elementary | Walnut Valley | Elementary | KG-05 | 606 |
| Maple Hill Elementary | Diamond Bar | Elementary | KG-05 | 556 |
| Cyrus J. Morris Elementary | Walnut | Elementary | KG-05 | 485 |
| Ron Hockwalt Academies (Continuation) | Walnut | High | 09-12 | 36 |
About Walnut Valley Unified
Walnut Valley Unified is a sparse public-school district in California. The district oversees 15 schools and teaches approximately 13,992 students.
Looking at the level breakdown, Walnut Valley Unified is made up of 9 elementary, 3 middle, and 3 high schools.
Average enrollment per school in Walnut Valley Unified is about 933, noticeably above the California average of roughly 578.
Looking at the last 4 years. Across the same 4-year window, public-school enrollment grew 4%: 13,483 students in SY 2020-21 versus 13,992 in SY 2024-25.
Within the allk12 community for this area, the community for Walnut Valley Unified discusses enrollment trends, district policy changes, and bus-route updates. Parents, students, and educators in the area can post or comment.