Ontario High School facilities and projects dashboard Dashboard pending district data.
Completed projects at this school Weight Room Building (Building K) Scope as described in source New weight room and dance studio building (Building K) with comprehensive site upgrades. Architect GO Architects Status as stated in source Completed July 2025 (per program manager). Key date July 2025 Source Tilden Coil project page; CEQA NOE SCH 2024090588 View source (opens in a new tab) Athletic Complex Scope as described in source New 5,000 seat stadium with synthetic track and field, lighting, bleachers with press box, six buildings, scoreboards and a 32 meter pool. Architect HMC Architects Status as stated in source Completed February 2016 (per program manager). Key date February 2016 Source Tilden Coil; Measure P project page View source (opens in a new tab) Classroom Building Scope as described in source Two story CMU and structural steel building with 30 classrooms, 2 science labs, restrooms, administrative offices, meeting and staff rooms. Architect WLC Architects Status as stated in source Completed February 2015 (per program manager). Key date February 2015 Source Tilden Coil; Measure P project page View source (opens in a new tab) Other documented projects Bids, RFPs and proposed work, with status as stated in source.
No projects in this group are listed in the Projects tab for this school.
2012 Facilities Master Plan
2012 planned additions 2012 planned additions, Ontario High School 2012 planned addition Planned SF 2012 estimated cost Related project New Classroom / Support Addition (replace portables) 50,000 $12,500,000 Classroom Building, 50,000 SF, completed February 2015 Athletic Field Complex Pending verification $10,000,000 Athletic Complex, completed February 2016 Renovated Swimming Pool Pending verification $2,500,000 Aquatics Center included in Athletic Complex, February 2016 Inclement Weather Shelter 4,000 $400,000 Not yet matched Existing Playfield Improvements Pending verification $500,000 Not yet matched Parking Lot Reconfiguration Pending verification $500,000 Not yet matched
Matches are pending district verification.
Source: 2012 Facilities Master Plan
2012 Facilities Master Plan
Buildings Buildings, Ontario High School, 2012 Facilities Master Plan Building Use Square feet A Administration / Classrooms 46,400 B Library / Classrooms 35,000 C Portables 2,000 D Classrooms / Trade Shops 28,800 E Food Service / Classrooms 23,400 F Pool Equipment 1,300 G Locker Rooms 17,400 H Gymnasium 27,000 J Auditorium / Performing Arts 40,400
Source: 2012 Facilities Master Plan
2012 Facilities Master Plan
2012 facts 39 acres
Site area
Source: 2012 Facilities Master Plan
1967
Year opened
Source: 2012 Facilities Master Plan
221,700 SF
Existing square footage
Source: 2012 Facilities Master Plan
2,457
Capacity at 27 per room
Source: 2012 Facilities Master Plan
2,842
2012 enrollment (campus page)
Source: 2012 Facilities Master Plan
2,932
2012 enrollment (capacity table)
Source: 2012 Facilities Master Plan
Campus photo [Aerial photo of the campus to be provided.]