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Redwood Continuation High

Public Grades 9-12

1836^th

SchoolDigger Rank ?

of 2,162 California High Schools

Better than 15% of California high schools

Summary

Redwood Continuation High is a small, specialized public high school serving 92 students in grades 9-12 within the high-performing Castro Valley Unified district, designed for students who have not found success in a traditional school setting.

This school serves a high-need population and operates very differently from the district's main Castro Valley High. It has a much smaller student body, a lower student-teacher ratio, and receives significantly more funding per student to provide intensive support. However, it faces profound challenges, most notably a chronic absenteeism rate of 75%, meaning three out of four students miss a significant amount of school. Academic proficiency rates in English, math, and science are in the single digits, and graduation rates, while showing year-to-year fluctuation, are consistently lower than the district average. This performance pattern is similar to other local continuation schools like Royal Sunset (Continuation) and Brenkwitz High, which also struggle with very high absenteeism and low test scores.

The key takeaway is that Redwood Continuation High provides an essential alternative pathway for at-risk students within its district, offering a more personalized environment. Its role is best evaluated by its success in re-engaging students and helping them graduate, rather than by comparing its standardized test results directly to traditional high schools. The school's most urgent task is addressing the barrier created by extreme chronic absenteeism to improve outcomes for its students.

Students ?

12.4

Student/teacher ratio ?

$39,855

Per pupil spending ?

78.3%

Free/discounted lunch ?

18400 Clifton Way
Castro Valley, CA 94546-0146

(510) 537-3193

District: Castro Valley Unified

Racial breakdown:

Hispanic:

52.2%

White:

16.3%

Two or more races:

14.1%

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At a glance

▼ Ranking trend: Declining — 27th percentile in 2015 → 15th in 2025

Worth a look

!Test scores below the California average (7% vs 41% meeting standards)

!In the lower quartile statewide (15th percentile)

!Graduation rate below the California average (76% vs 88%)

Students meeting standards (2024-2025) ?

This school7%

District avg61%

California avg41%

1,836^th of 2,162

California public high schools ?

Bottom 15%▼ down 12 pts since 2015

From bottom 27% (2015) to bottom 15% (2025)

See the entire ranking list of California High Schools →

★★★★★

SchoolDigger rating ?

2^nd of 2High Schools in the Castro Valley Unified

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

Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	California percentile	Rating
2025	14.0	1836 of 2162	15.1%	★☆☆☆☆
2024	19.2	1715 of 2159	20.6%	★☆☆☆☆
2023	14.4	1859 of 2170	14.3%	★☆☆☆☆
2022	22.8	1593 of 2123	25.0%	★☆☆☆☆
2021	19.9	1030 of 1290	20.2%	★☆☆☆☆
2019	13.0	1853 of 2133	13.1%	★☆☆☆☆
2018	13.2	1659 of 2017	17.7%	★☆☆☆☆
2017	16.0	1568 of 2021	22.4%	★☆☆☆☆
2016	15.8	1595 of 2039	21.8%	★☆☆☆☆
2015	23.3	1450 of 1994	27.3%	★☆☆☆☆
2013	21.5	1593 of 2426	34.3%	★★☆☆☆
2012	22.0	1543 of 2354	34.5%	★★☆☆☆
2011	27.1	1407 of 2367	40.6%	★★☆☆☆
2009	29.7	1400 of 2238	37.4%	★★☆☆☆
2005	5.2	1761 of 1901	7.4%	☆☆☆☆☆
2004	29.6	944 of 1653	42.9%	★★☆☆☆

Disabled

Year	Avg score	Statewide rank	California percentile	Rating
2019	48.4	434 of 1117	61.1%	★★★☆☆

Female

Year	Avg score	Statewide rank	California percentile	Rating
2025	13.1	1644 of 1906	13.7%	★☆☆☆☆
2024	18.8	1553 of 1915	18.9%	★☆☆☆☆
2023	11.4	1745 of 1915	8.9%	☆☆☆☆☆
2022	14.2	1619 of 1858	12.9%	★☆☆☆☆
2021	17.6	898 of 1054	14.8%	★☆☆☆☆
2019	12.3	1591 of 1833	13.2%	★☆☆☆☆
2018	6.9	1747 of 1760	0.7%	☆☆☆☆☆

Hispanic

Year	Avg score	Statewide rank	California percentile	Rating
2025	16.5	1565 of 1900	17.6%	★☆☆☆☆
2024	26.7	1410 of 1902	25.9%	★☆☆☆☆
2023	10.9	1802 of 1917	6.0%	☆☆☆☆☆
2022	32.3	1258 of 1861	32.4%	★★☆☆☆
2019	10.8	1684 of 1814	7.2%	☆☆☆☆☆
2018	15.0	1387 of 1742	20.4%	★☆☆☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	California percentile	Rating
2025	15.2	1689 of 2013	16.1%	★☆☆☆☆
2024	15.2	1727 of 2026	14.8%	★☆☆☆☆
2023	14.9	1753 of 2030	13.6%	★☆☆☆☆
2022	25.4	1437 of 1943	26.0%	★☆☆☆☆
2019	15.0	1625 of 1937	16.1%	★☆☆☆☆
2018	10.9	1666 of 1862	10.5%	★☆☆☆☆

Male

Year	Avg score	Statewide rank	California percentile	Rating
2025	8.5	1848 of 1942	4.8%	☆☆☆☆☆
2024	13.5	1684 of 1948	13.6%	★☆☆☆☆
2023	15.0	1659 of 1963	15.5%	★☆☆☆☆
2022	29.1	1315 of 1916	31.4%	★★☆☆☆
2019	10.9	1726 of 1880	8.2%	☆☆☆☆☆
2018	17.0	1419 of 1834	22.6%	★☆☆☆☆

Multi-racial

Year	Avg score	Statewide rank	California percentile	Rating
2018	0.9	360 of 366	1.6%	☆☆☆☆☆

White

Year	Avg score	Statewide rank	California percentile	Rating
2022	3.8	1184 of 1204	1.7%	☆☆☆☆☆
2018	3.2	1152 of 1173	1.8%	☆☆☆☆☆

How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)

Disabled (2019)61st percentile+48 vs school

Hispanic (2025)18th percentile+3 vs school

Low Socio Economic Status (2025)16th percentile~ school

Female (2025)14th percentile~ school

Male (2025)5th percentile-10 vs school

White (2022)2nd percentile-23 vs school

Multi-racial (2018)2nd percentile-16 vs school

By subject vs California (2024-2025) ?

English Language Arts/Literacy9%-39 vs state

Mathematics6%-31 vs state

Science4%-29 vs state

★

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Schools Near Redwood Continuation High

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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 (2025)				Ranking (2024)				CAST Science (2025)			Smarter Balanced Assessments English Language Arts/Literacy (2025)		Smarter Balanced Assessments Mathematics (2025)		Per Pupil Expenditures (2025)
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	$39,855	$39,754	$101
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)								$86,185	$86,084	$101
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	$19,089	$18,820	$269
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	$24,042	$21,490	$2,552
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	$25,737	$22,082	$3,655
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	$23,443	$21,792	$1,651
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
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	$36,162	$34,108	$2,054
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	$33,399	$31,078	$2,321
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	$19,764	$17,104	$2,660

Frequently Asked Questions about Redwood Continuation High

Is Redwood Continuation High a good school?

Redwood Continuation High ranks in the bottom 15.1% of California high schools.

How many students attend Redwood Continuation High?

In the 2024-25 school year, 92 students attended Redwood Continuation High.

What district is Redwood Continuation High in?

Castro Valley Unified

What is the racial makeup of Redwood Continuation High?

Students at Redwood Continuation High are 52% Hispanic, 16% White, 14% Two or more races, 9% Asian, 4% African American, 3% Pacific Islander, 1% Not Specified.

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Latest California data All new data »

2024–25 school spending dataJul 1, 2026

2024–25 attendance dataMar 13, 2026

2024–25 CSA Spanish test scoresDec 22, 2025

2024–25 dropout rates & graduation ratesNov 14, 2025

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.