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Roy A. Johnson High

Public Grades 9-12

Students ?

9.0

Student/teacher ratio ?

$37,709

Per pupil spending ?

50%

Free/discounted lunch ?

18400 Clifton Way
Castro Valley, CA 94546-0146

(510) 537-3000

District: Castro Valley Unified

Racial breakdown:

Asian:

33.3%

Hispanic:

33.3%

Two or more races:

22.2%

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At a glance

Strengths

✓Small classes — about 9 students per teacher

Worth a look

!High chronic absenteeism (33% vs 19% California)

Not ranked this year

Roy A. Johnson High did not have enough recent test-score data to be ranked. Check the trend below for past years.

237^th of 1,543Castro Valley Unified among California districts

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Schools Near Roy A. Johnson High

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

School													Students/Teachers											Ranking (2025)				Ranking (2024)				CAST Science (2025)			Smarter Balanced Assessments English Language Arts/Literacy (2025)		Smarter Balanced Assessments Mathematics (2025)		Per Pupil Expenditures (2024)
Name	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/Discounted Lunch Recipients	White	Black	Hispanic	Asian	American Indian	Pacific Islander	Two or More Races	Average Standard Score (2025)	Statewide Rank (2025)	State Percentile (2025)	SchoolDigger Rating (2025)	Average Standard Score (2024)	Statewide Rank (2024)	State Percentile (2024)	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
Redwood Continuation High	Public	9-12	18400 Clifton Way	Castro Valley	94546	Alameda County	Castro Valley Unified	No	(n/a)	No	(n/a)	(510) 537-3193	92	7	12.4	78.3%	15 (16.3%)	4 (4.3%)	48 (52.2%)	8 (8.7%)	0 (0.0%)	3 (3.3%)	13 (14.1%)	14	1836^th of 2162 public high schools	15.1%		19.2	1715^th of 2159 public high schools	20.6%	121		3.6	3.6	9.4	9.4	6.5	6.5	$19,523	$101	$19,422
Roy A. Johnson High	Public	9-12	18400 Clifton Way	Castro Valley	94546	Alameda County	Castro Valley Unified	No	(n/a)	No	(n/a)	(510) 537-3000	18	2	9.0	50.0%	1 (5.6%)	1 (5.6%)	6 (33.3%)	6 (33.3%)	0 (0.0%)	0 (0.0%)	4 (22.2%)								(n/a)								$37,709	$101	$37,608
Castro Valley High	Public	9-12	19400 Santa Maria Ave.	Castro Valley	94546	Alameda County	Castro Valley Unified	No	(n/a)	No	(n/a)	(510) 537-5910	2,874	122	23.5	40.0%	595 (20.7%)	144 (5.0%)	732 (25.5%)	1,035 (36.0%)	2 (0.1%)	7 (0.2%)	351 (12.2%)	88.6	226^th of 2162 public high schools	89.5%		89.8	234^th of 2159 public high schools	89.2%	8		48.5	48.5	68.1	68.1	49.4	49.4	$14,418	$239	$14,179
San Lorenzo High	Public	9-12	50 East Lewelling Blvd.	San Lorenzo	94580	Alameda County	San Lorenzo Unified	No	(n/a)	No	(n/a)	(510) 317-3000	1,029	50	20.7	81.5%	40 (3.9%)	101 (9.8%)	704 (68.4%)	137 (13.3%)	1 (0.1%)	17 (1.7%)	24 (2.3%)	25.3	1586^th of 2162 public high schools	26.6%		19.5	1711^th of 2159 public high schools	20.8%	125	16.8		16.8	29.8	29.8	10.3	10.3	$18,744	$1,703	$17,041
East Bay Arts High	Public	9-12	50 East Lewelling Blvd.	San Lorenzo	94580	Alameda County	San Lorenzo Unified	No	(n/a)	No	(n/a)	(510) 317-4471	154	10	14.9	76.0%	10 (6.5%)	19 (12.3%)	99 (64.3%)	13 (8.4%)	2 (1.3%)	3 (1.9%)	6 (3.9%)	27.5	1537^th of 2162 public high schools	28.9%		16.7	1769^th of 2159 public high schools	18.1%	232	24.1		24.1	30.0	30.0	4.2	4.2	$26,311	$1,252	$25,059
San Leandro High	Public	9-12	2200 Bancroft Ave.	San Leandro	94577	Alameda County	San Leandro Unified	No	(n/a)	No	(n/a)	(510) 618-4600	2,510	116	21.5	75.3%	159 (6.3%)	307 (12.2%)	1,241 (49.4%)	611 (24.3%)	16 (0.6%)	24 (1.0%)	150 (6.0%)	44.1	1166^th of 2162 public high schools	46.1%		51.9	957^th of 2159 public high schools	55.7%	209	23.6	25.9	24.7	39.3	39.3	16.1	16.1	$18,639	$2,286	$16,353
Brenkwitz High	Public	9-12	22100 Princeton St.	Hayward	94541	Alameda County	Hayward Unified	No	(n/a)	No	(n/a)	(510) 723-3160	76	16	4.6	88.2%	2 (2.6%)	8 (10.5%)	56 (73.7%)	4 (5.3%)	0 (0.0%)	2 (2.6%)	3 (3.9%)	9	2067^th of 2162 public high schools	4.4%		10.7	2025^th of 2159 public high schools	6.2%	42	2.2	0.0	1.8	4.4	4.4	2.3	2.3	$37,602	$4,263	$33,339
Hayward High	Public	9-12	1633 East Ave.	Hayward	94541	Alameda County	Hayward Unified	No	(n/a)	No	(n/a)	(510) 723-3170	1,580	83	19.1	75.1%	60 (3.8%)	191 (12.1%)	1,074 (68.0%)	133 (8.4%)	8 (0.5%)	38 (2.4%)	75 (4.7%)	51.3	1011^th of 2162 public high schools	53.2%		44.6	1133^rd of 2159 public high schools	47.5%	122	30.1	6.7	29.1	51.7	51.7	20.9	20.9	$22,746	$2,909	$19,837
Royal Sunset (Continuation)	Public	7-12	20450 Royal Ave.	Hayward	94541	Alameda County	San Lorenzo Unified	No	(n/a)	No	(n/a)	(510) 317-4400	107	8	12.6	62.6%	7 (6.5%)	11 (10.3%)	70 (65.4%)	10 (9.3%)	1 (0.9%)	4 (3.7%)	4 (3.7%)	9.3	2051^st of 2162 public high schools	5.1%		9.6	2097^th of 2159 public high schools	2.9%	46	0.0		0.0	16.7	16.7	0.0	0.0	$27,193	$1,290	$25,903
Arroyo High	Public	9-12	15701 Lorenzo Ave.	San Lorenzo	94580	Alameda County	San Lorenzo Unified	No	(n/a)	No	(n/a)	(510) 317-4000	1,499	61	24.6	64.6%	110 (7.3%)	87 (5.8%)	747 (49.8%)	463 (30.9%)	8 (0.5%)	26 (1.7%)	55 (3.7%)	61.6	778^th of 2162 public high schools	64.0%		66.8	618^th of 2159 public high schools	71.4%	160	28.9	18.8	28.4	59.0	59.0	31.2	31.2	$17,194	$1,517	$15,677

Frequently Asked Questions about Roy A. Johnson High

What district is Roy A. Johnson High in?

Castro Valley Unified

How many students attend Roy A. Johnson High?

In the 2024-25 school year, 18 students attended Roy A. Johnson High.

What is the racial makeup of Roy A. Johnson High?

Students at Roy A. Johnson High are 33% Asian, 33% Hispanic, 22% Two or more races, 6% White, 6% African American.

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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.