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| Fact | Montclair High Remove | Los Osos High Remove |
|---|---|---|
| School district | Chaffey Joint Union High | Chaffey Joint Union High |
| Location | Montclair, California | Rancho Cucamonga, California |
| School level | High | High |
| Grades | 09–12 | 09–12 |
| Students enrolled | 2,515 | 2,759 |
| Classroom teachers (FTE) | 107 | 107 |
| Students per teacher | 23.6:1 | 25.8:1 |
| School type | Regular | Regular |
| Charter school | No | No |
| Virtual (online) school | No | No |
| Phone | (909) 621-6781 | (909) 477-6900 |
| Address | 4725 Benito St., Montclair CA 91763 | 6001 Milliken Ave., Rancho Cucamonga CA 91737 |
| NCES data year | 2024-25 | 2024-25 |
Source: National Center for Education Statistics (NCES) Common Core of Data. Facts as reported; schools are not ranked or rated.
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