Schools in Ontario, CA

Safety scores and transparency grades from federal incident data · 2021-22 collection

Typical home value: $670,587 (Zillow ZHVI, 2026-06-30) — cheaper than 9% of ZHVI-matched cities. Comparing safety against price? See the Affordable & Safe guide.

All schools, safest first

SCHOOL	DISTRICT	GRADES	STUDENTS	SAFETY SCORE	GRADE
Ontario Center	Cucamonga Elementary	KG–05	561	78	A
El Camino Elementary	Ontario-Montclair	KG–06	405	74	A
Chaffey District Online High	Chaffey Joint Union High	09–12	106	74	A
Ranch View Elementary	Mountain View Elementary	KG–06	852	72	A
Elderberry Elementary	Ontario-Montclair	KG–06	615	72	A
Richard Haynes Elementary	Ontario-Montclair	KG–06	756	70	A
Creek View Elementary	Mountain View Elementary	KG–06	646	70	A
Corona Elementary	Ontario-Montclair	KG–06	455	69	A
Del Norte Elementary	Ontario-Montclair	KG–06	432	69	A
Arroyo Elementary	Ontario-Montclair	KG–07	406	68	A
Vista Grande Elementary	Ontario-Montclair	KG–06	398	68	A
Valley View High (Continuation)	Chaffey Joint Union High	09–12	311	68	A
Sultana Elementary	Ontario-Montclair	KG–06	676	66	A
Edison Elementary	Ontario-Montclair	KG–08	673	65	A
Central Language Academy	Ontario-Montclair	KG–08	720	63	A
Mariposa Elementary	Ontario-Montclair	KG–06	596	60	A
Berlyn Elementary	Ontario-Montclair	KG–06	636	57	A
Colony High	Chaffey Joint Union High	09–12	2,124	57	A
Euclid Elementary	Ontario-Montclair	KG–06	591	57	A
Hawthorne Elementary	Ontario-Montclair	KG–06	545	56	A
Oaks Middle	Ontario-Montclair	07–08	834	51	A
Bon View Elementary	Ontario-Montclair	KG–06	625	47	A
Mission Elementary	Ontario-Montclair	KG–06	608	47	A
Ontario High	Chaffey Joint Union High	09–12	2,281	39	A
Vineyard Elementary	Ontario-Montclair	KG–08	662	37	A
Mountain View Elementary	Mountain View Elementary	KG–06	594	36	A
Liberty Elementary	Chino Valley Unified	KG–06	523	35	A
Levi H. Dickey Elementary	Chino Valley Unified	KG–06	420	26	A
Vina Danks Middle	Ontario-Montclair	07–08	644	24	A
Chaffey High	Chaffey Joint Union High	09–12	3,330	23	A
De Anza Middle	Ontario-Montclair	07–08	540	18	A
Grace Yokley Junior High	Mountain View Elementary	07–08	622	17	A
Woodcrest Junior High	Chino Valley Unified	07–08	345	10	A
Ray Wiltsey Middle	Ontario-Montclair	06–08	880	6	A
Baldy View ROP	Baldy View ROP	09–12		— insufficient data
Chaffey Community Day	Chaffey Joint Union High	09–12	19	— insufficient data	A
Lincoln Elementary	Ontario-Montclair	KG–06	572	— insufficient data	F
Park View Elementary	Mountain View Elementary	M–M		— insufficient data