Total enrollment
22,040
-1,831 (-8%) vs SY 2017-18
11 schools in Chaffey Joint Union High
California · 22,040 students · 5 cities
In total, Chaffey Joint Union High hosts 11 public K-12 schools with about 22,040 students, averaging 2004 per campus.
7-year change in Chaffey Joint Union High
SY 2017-18 vs SY 2024-25School count
11
0 (0%) vs SY 2017-18
% White
13%
was 17%
% Hispanic
65%
was 64%
% Black
8%
was 8%
% Asian
10%
was 8%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
| Name | City | Level | Grades | Enrollment |
|---|---|---|---|---|
| Etiwanda High | Etiwanda | High | 09-12 | 3,446 |
| Rancho Cucamonga High | Rancho Cucamonga | High | 09-12 | 3,221 |
| Chaffey High | Ontario | High | 09-12 | 3,127 |
| Los Osos High | Rancho Cucamonga | High | 09-12 | 2,759 |
| Montclair High | Montclair | High | 09-12 | 2,515 |
| Alta Loma High | Alta Loma | High | 09-12 | 2,386 |
| Colony High | Ontario | High | 09-12 | 2,109 |
| Ontario High | Ontario | High | 09-12 | 1,994 |
| Valley View High (Continuation) | Ontario | High | 09-12 | 370 |
| Chaffey District Online High | Ontario | High | 09-12 | 93 |
| Chaffey Community Day | Ontario | High | 09-12 | 20 |
About Chaffey Joint Union High
Chaffey Joint Union High is a compact public-school district in California. The district maintains 11 schools and serves approximately 22,040 students.
Per-school enrollment averages around 2,004 in this district, above the California typical of 578.
Over the past 7-year window. Combined enrollment now sits at 22,040 students, contracted 8% from the 23,871 reported in SY 2017-18. Demographically, the White share of enrollment declined from 17% to 13%.
On this page, the community for Chaffey Joint Union High discusses open enrollment windows, redistricting talk, and busing logistics. Members of the local community share what they see day-to-day.