Chaffey Joint Union High

Summary

68.0% of students are reading at grade level in Chaffey Joint Union High, and it is trending up slightly.Trending up

Math is weaker at 34.4%; most students are not yet at grade level, it is holding steady.

Proficiency Stats
Current Reading Proficiency68.0%
Current Math Proficiency34.4%
District Reading Rank125 / 1,015 (88th percentile)
District Math Rank433 / 1,015 (57th percentile)
Other Stats
Student / Teacher Ratio24:1
Spend per Student$18,894
Schools in District10
Student Enrollment22,040
Low-Income Students15,246 (68.9%)
English Learners1,777 (8.0%)
2-Year Trends
2023 - 2025
Reading +0.6%Trend upMath +0.1%Trend up
Showing district-level proficiency for the last three years

Board Members

nameelectedup for re-election

Cary W. Willborn

President (Trustee Area 5)

[email protected]
N/AN/A

English

Board Member

20222026This year!

Board website

Expand for details on low-income and english learner performance

Reading Proficiency Scores

Comparison of low-income and English learner groups using district-level CAASPP proficiency data.

Low-Income vs Non-Low-Income
Low-Income
Non-Low-Income
Low-Income +1.3%Trend up
Non-Low-Income +1.2%Trend up
Showing subgroup proficiency for the last three years
English Learners vs English Native
English Learners
English Native
English Learners +5.8%Trend up
English Native -1.3%Trend down
Showing subgroup proficiency for the last three years

Math Proficiency Scores

Comparison of low-income and English learner groups using district-level CAASPP proficiency data.

Low-Income vs Non-Low-Income
Low-Income
Non-Low-Income
Low-Income +0.7%Trend up
Non-Low-Income +1.6%Trend up
Showing subgroup proficiency for the last three years
English Learners vs English Native
English Learners
English Native
English Learners +3.0%Trend up
English Native -1.8%Trend down
Showing subgroup proficiency for the last three years

District School Map

Schools in this district, color-coded by reading proficiency.

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Hover over a school marker to see details

Schools

Alta Loma High

8880 Baseline Road, Alta Loma, 91701-5504

School Detail
72.0%Trend down-5.9%33.3%Trend down-8.4%

Chaffey District Online High

1802 East 7th Street, Ontario, 91764-1210

School Detail
58.3%Trend down-23.5%65.2%Trend up+65.2%

Chaffey High

1245 North Euclid Avenue, Ontario, 91762-1997

School Detail
58.8%Trend up+8.6%20.5%Trend up+2.0%

Colony High

3850 East Riverside Drive, Ontario, 91761-2603

School Detail
53.7%Trend down-11.8%20.9%Trend down-4.2%

Etiwanda High

13500 Victoria Street, Etiwanda, 91739-0447

School Detail
81.0%Trend up+8.0%46.2%Trend up+3.0%

Los Osos High

6001 Milliken Avenue, Rancho Cucamonga, 91737-7709

School Detail
79.0%Trend up+0.2%50.9%Trend down-0.5%

Montclair High

4725 Benito Street, Montclair, 91763-2705

School Detail
69.4%Trend up+3.0%29.9%Trend down-1.1%

Ontario High

901 West Francis Street, Ontario, 91762-6214

School Detail
62.5%Trend up+2.1%29.6%Trend up+8.8%

Rancho Cucamonga High

11801 Lark Drive, Rancho Cucamonga, 91701-8715

School Detail
74.7%Trend down-1.9%43.2%Trend up+1.5%

Valley View High (Continuation)

1801 East Sixth Street, Ontario, 91764-1599

School Detail
11.1%Trend up+5.0%3.4%Trend up+3.4%