Chaffey Joint Union High School District ยท Established 1911
Facilities Master Plan
Your tax dollars at work. See what the 2012 Facilities Master Plan and Measure P have built on every campus.
Measure P by the numbers
From voter approval to completed campuses
Approved by 63.60 percent of voters on November 6, 2012.
Source: Ballotpedia, Measure P (November 2012)
[Amount to be confirmed.]
Source: Citizens Bond Oversight Committee annual reports (pending)
[Amount to be confirmed.]
Source: Citizens Bond Oversight Committee annual reports (pending)
Across every comprehensive high school and the Alternative Education Center.
Source: Tilden Coil project list; Measure P progress reports
What your tax dollars built
Completed Measure P projects, as reported by the program manager and Measure P progress reports.
Ontario 30, Chaffey 18 plus 12 science labs, Etiwanda 12, Los Osos 12 and Rancho Cucamonga 12, in five new classroom buildings.
Source: Tilden Coil project list
Ontario, Rancho Cucamonga and Etiwanda, plus a renovated 17 acre athletic complex at Alta Loma.
Source: Tilden Coil project list
Etiwanda and Rancho Cucamonga, plus the modernized Gardiner W. Spring Auditorium at Chaffey.
Source: Tilden Coil project list
A 38 meter pool at Etiwanda, a 38 meter by 25 yard pool at Chaffey and a 32 meter pool at Ontario.
Source: Tilden Coil project list
Chaffey's 59,907 SF three story classroom building: complete interior modernization with voluntary seismic upgrades.
Source: Tilden Coil project list
Ontario (completed July 2025) and Etiwanda (completed August 2025).
Source: Tilden Coil project list
Completed at every campus
Choose a school to see each completed project, its scope and its completion date.
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Alta Loma High School 2 completed projects Gym expansion of 23,000 SF; 17 acre athletic complex. -
Chaffey High School 5 completed projects Math and Science Building; South Hall; GWS Auditorium; pool; futsal and quad. -
Colony High School 2 completed projects Stadium bleacher additions; shade structures. -
Etiwanda High School 6 completed projects Auditorium; athletic complex; aquatic facility; Building T; weight room. -
Los Osos High School 3 completed projects Building P with 12 classrooms; parking, ADA and bleachers; shade structures. -
Montclair High School 2 completed projects HVAC upgrades at Buildings B and C; shade structures. -
Ontario High School 3 completed projects Classroom building with 30 classrooms; athletic complex; weight room. -
Rancho Cucamonga High School 6 completed projects Auditorium; athletic complex; Building V; modernization Phases 1 to 7. -
Valley View High School 1 completed project Shade structures. - Chaffey Adult School New weather shelter listed as proposed.
- Chaffey Alternative Education Center 1 completed project Shade structure.
Source: Tilden Coil project list; Measure P progress reports
The district wide shade structures project counts once for each of Colony, Los Osos and Montclair, so the school counts add to more than 29.
Finishing the program
Now under construction
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