Schools in Chaffey Joint Union High
11 public schools in this California school district: 11 high. Ranked by our score, based on 2024-25 state test results.
Rankings renumber to share equal ranks and fill gaps when schools are hidden. Scores compare each school with schools of the same type across California.
High schools
11 schools in Chaffey Joint Union High, best first
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Etiwanda High
88.7
ELA 81%Math 46%Science 42%
#196 of 1,729 in California
Los Osos High
88.5
ELA 79%Math 51%Science 38%
#199 of 1,729 in California · #1 in Rancho Cucamonga
Rancho Cucamonga High
84.2
ELA 75%Math 43%Science 40%
#273 of 1,729 in California · #2 in Rancho Cucamonga
Chaffey District Online High
81.3
ELA 58%Math 65%Science 50%
#323 of 1,729 in California · #1 in Ontario
Alta Loma High
75.6
ELA 72%Math 33%Science 28%
#422 of 1,729 in California
Montclair High
73.0
ELA 69%Math 30%Science 27%
#467 of 1,729 in California
Ontario High
64.4
ELA 63%Math 30%Science 20%
#616 of 1,729 in California · #2 in Ontario
Chaffey High
56.1
ELA 59%Math 21%Science 22%
#759 of 1,729 in California · #3 in Ontario
Colony High
55.4
ELA 54%Math 21%Science 24%
#771 of 1,729 in California · #4 in Ontario
Valley View High (Continuation)
15.3
ELA 11%Math 3%Science 6%
#1,465 of 1,729 in California · #5 in Ontario
Chaffey Community Day
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No published test results