Total enrollment
13,526
-1,025 (-7%) vs SY 2020-21
23 schools in Cupertino Union
California · 13,526 students · 6 cities
Parents inside Cupertino Union pick from 23 public K-12 options, with combined enrollment of about 13,526 students (an average school size of 588).
4-year change in Cupertino Union
SY 2020-21 vs SY 2024-25School count
23
0 (0%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How Cupertino Union ranks
Among districts| Measure | This district | In California | In the US |
|---|---|---|---|
| State test proficiency ranked highest first | 82.8% | #8 of 534 | N/A |
| Enrollment ranked largest first | 13,526 | #108 of 587 | #641 of 9,234 |
| Number of schools ranked most first | 23 | #81 of 587 | N/A |
| Students per teacher ranked fewest first | 21.5:1 | #282 of 587 | #8,629 of 9,044 |
| Free or reduced-price lunch share ranked highest first | 18.5% | #532 of 587 | #7,520 of 8,164 |
| Diversity index ranked most diverse first | 48.0% | #345 of 530 | #3,209 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 Cupertino Union
State test results across the district's 23 scored schools run from William Faria Elementary at 95.5% proficient to Chester W. Nimitz Elementary at 60.0%, a gap of 35.5 points. That is the 175th widest gap among 458 California districts with four or more scored schools.
Since 2017-18, the 23 district schools that reported both years went from 16,758 to 13,526 students (down 19%) and from 703 to 630 full-time teachers (down 10%), 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 Cupertino Union
Cupertino Union is a low-population California school district running 23 schools with combined enrollment near 13,526.
For a sense of the school types, Cupertino Union is made up of 18 elementary and 5 middle.
Trend over the past 4 years. Across the same 4-year window, public-school enrollment fell 7%: 14,551 students in SY 2020-21 versus 13,526 in SY 2024-25.
Within the allk12 community for this area, the community for Cupertino Union discusses open enrollment windows, redistricting talk, and busing logistics. Parents, students, and educators in the area can post or comment.