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Compare Los Osos High to nearby schools

New rankings! SchoolDigger recently updated its California rankings with newly released test scores for the 2025-26 school year.

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Ranking:

E Elementary M Middle H High A Alternative P Private

Choose columns to see: Summary School Students/Teachers Ranking Test Scores Finance All

School														Students/Teachers											Ranking (2026)				Ranking (2025)				CAST Science (2026)			Smarter Balanced Assessments English Language Arts/Literacy (2026)		Smarter Balanced Assessments Mathematics (2026)		Per Pupil Expenditures (2025)
Name	Distance	Type	Grades	Address	City	Zip	County	District	Is Charter	Is Magnet	Is Virtual	Is Title I	Phone	Enrollment	Full-time Teachers	Student/ Teacher Ratio	Free/reduced lunch (2024-25)	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2026)	Statewide Rank (2026)	State Percentile (2026)	SchoolDigger Rating (2026)	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	Rank Change from Previous Year	CAST Science 11th Grade	CAST Science 12th Grade	CAST Science All Grades	Smarter Balanced Assessments English Language Arts/Literacy 11th Grade	Smarter Balanced Assessments English Language Arts/Literacy All Grades	Smarter Balanced Assessments Mathematics 11th Grade	Smarter Balanced Assessments Mathematics All Grades	Per Pupil Expenditures Total	Sub-total from Federal Funds	Sub-total from State/Local Funds
Los Osos High	0.0mi	Public	9-12	6001 Milliken Ave.	Rancho Cucamonga	91737	San Bernardino County	Chaffey Joint Union High	No	(n/a)	No	(n/a)	(909) 477-6900	2,759	107	25.7	43.7%	674 (24.4%)	164 (5.9%)	1,142 (41.4%)	633 (22.9%)	7 (0.3%)	3 (0.1%)	135 (4.9%)	91.2	179^th of 2135 public high schools	91.6%		89.5	209^th of 2162 public high schools	90.3%	30	53.1	48.3	50.7	83.0	83.0	58.8	58.8	$16,786	$389	$16,397
Rancho Cucamonga High	1.1mi	Public	9-12	11801 Lark Dr.	Rancho Cucamonga	91701	San Bernardino County	Chaffey Joint Union High	No	(n/a)	No	(n/a)	(909) 989-1600	3,221	128	25.1	57.4%	637 (19.8%)	442 (13.7%)	1,385 (43.0%)	513 (15.9%)	9 (0.3%)	20 (0.6%)	209 (6.5%)	83.7	325^th of 2135 public high schools	84.8%		86.5	273^rd of 2162 public high schools	87.4%	52	49.9	44.4	47.2	69.6	69.6	45.8	45.8	$16,824	$450	$16,374
Etiwanda High	2.8mi	Public	9-12	13500 Victoria St.	Etiwanda	91739	San Bernardino County	Chaffey Joint Union High	No	(n/a)	No	(n/a)	(909) 899-2531	3,446	136	25.3	54.5%	506 (14.7%)	478 (13.9%)	1,787 (51.9%)	461 (13.4%)	12 (0.3%)	10 (0.3%)	187 (5.4%)	88.8	230^th of 2135 public high schools	89.2%		89.9	197^th of 2162 public high schools	90.9%	33	55.6	51.4	53.5	76.0	76.0	46.8	46.8	$16,444	$505	$15,939
Alta Loma High	3.6mi	Public	9-12	8880 Baseline Rd.	Alta Loma	91701	San Bernardino County	Chaffey Joint Union High	No	(n/a)	No	(n/a)	(909) 989-5511	2,386	96	24.8	60.3%	551 (23.1%)	136 (5.7%)	1,437 (60.2%)	130 (5.4%)	11 (0.5%)	7 (0.3%)	111 (4.7%)	70	623^rd of 2135 public high schools	70.8%		74.1	508^th of 2162 public high schools	76.5%	115	39.1	28.9	33.7	67.9	67.9	38.7	38.7	$18,166	$507	$17,659
Chaffey Community Day	5.1mi	Public	9-12	1802 East Seventh St.	Ontario	91764	San Bernardino County	Chaffey Joint Union High	No	(n/a)	No	(n/a)	(909) 985-0966	20	2	9.0	85.0%	0 (0.0%)	4 (20.0%)	16 (80.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)								(n/a)								$57,482	$3,243	$54,239
Chaffey District Online High	5.2mi	Public, Virtual	9-12	1802 East 7th St.	Ontario	91764	San Bernardino County	Chaffey Joint Union High	No	(n/a)	Yes	(n/a)	(909) 985-0966	93	5	18.3	62.4%	22 (23.7%)	4 (4.3%)	55 (59.1%)	6 (6.5%)	0 (0.0%)	0 (0.0%)	6 (6.5%)	95.4	79^th of 2135 public high schools	96.3%		86	286^th of 2162 public high schools	86.8%	207	67.5	65.0	66.7	77.8	77.8	77.1	77.1	$19,674	$90	$19,584
Summit High	5.2mi	Public	9-12	15551 Summit Ave.	Fontana	92336	San Bernardino County	Fontana Unified	No	(n/a)	No	(n/a)	(909) 357-5950	2,725	111	24.5	72.1%	204 (7.5%)	273 (10.0%)	1,956 (71.8%)	206 (7.6%)	3 (0.1%)	19 (0.7%)	62 (2.3%)	68.3	653^rd of 2135 public high schools	69.4%		71.7	565^th of 2162 public high schools	73.9%	88	34.1	20.0	33.6	68.9	68.9	36.4	36.4	$48,695	$9,000	$39,695
Valley View High (Continuation)	5.3mi	Public	9-12	1801 East Sixth St.	Ontario	91764	San Bernardino County	Chaffey Joint Union High	No	(n/a)	No	(n/a)	(909) 985-0966	370	25	14.8	84.9%	33 (8.9%)	28 (7.6%)	289 (78.1%)	7 (1.9%)	3 (0.8%)	1 (0.3%)	8 (2.2%)	14.1	1775^th of 2135 public high schools	16.9%		13.5	1856^th of 2162 public high schools	14.2%	81	7.1	7.4	7.3	9.8	9.8	8.8	8.8	$28,320	$1,137	$27,183
Fontana A. B. Miller High	6.3mi	Public	9-12	6821 Oleander Ave.	Fontana	92336	San Bernardino County	Fontana Unified	No	(n/a)	No	(n/a)	(909) 357-5800	1,950	97	20.1	75.3%	68 (3.5%)	84 (4.3%)	1,722 (88.3%)	47 (2.4%)	5 (0.3%)	5 (0.3%)	18 (0.9%)	64.8	716^th of 2135 public high schools	66.5%		59.7	830^th of 2162 public high schools	61.6%	114	35.1	6.3	33.9	63.8	63.8	33.7	33.7	$39,779	$7,079	$32,700
Upland High	6.5mi	Public	9-12	565 West 11th St.	Upland	91786	San Bernardino County	Upland Unified	No	(n/a)	No	(n/a)	(909) 949-7880	2,797	125	22.3	69.5%	478 (17.1%)	205 (7.3%)	1,812 (64.8%)	205 (7.3%)	0 (0.0%)	8 (0.3%)	79 (2.8%)	75.7	507^th of 2135 public high schools	76.3%		76.1	476^th of 2162 public high schools	78.0%	31	46.7	14.3	45.2	65.4	65.4	39.7	39.7	$54,421	$4,990	$49,431

SchoolDigger rankings lists for California:

Elementary Schools Middle Schools High Schools Districts Cities

SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the California Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.