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CBK Charter

Public, Charter Grades 9-12

1718^th

SchoolDigger Rank ?

of 2,162 California High Schools

Better than 21% of California high schools

Summary

CBK Charter is a public charter high school located in Riverside, California, serving grades 9-12 with a total enrollment of 601 students. The school is part of the Riverside County Office of Education district, and it has consistently ranked in the bottom quartile of California high schools, with a 1 out of 5 star rating from SchoolDigger.

CBK Charter's academic performance, as measured by standardized test scores, is significantly below state and county averages. In the 2024-2025 school year, only 28.07% of 11th-grade students were proficient or better in English Language Arts/Literacy, compared to the state average of 56.96%. In mathematics, the proficiency rate for 11th-grade students was just 2.92%, compared to the state average of 30.5%. The school's performance on the California Science Test (CAST) is also low, with only 7.35% of 12th-grade students scoring proficient or better in 2024-2025, compared to the state average of 28.02%. Additionally, CBK Charter has struggled with low graduation rates, with a four-year graduation rate of only 34.5% in 2023-2024, significantly lower than the state average. Correspondingly, the school has high dropout rates, reaching 65.1% in 2023-2024, more than double the state average.

Compared to nearby schools, such as Raincross High (Continuation), Rubidoux High, and Riverside County Community, CBK Charter's academic performance, graduation rates, and dropout rates are consistently worse. However, the school's student population is more economically disadvantaged, with 64.89% of students qualifying for free or reduced-price lunch in 2023-2024. Addressing these challenges will be crucial for improving the educational outcomes for the students at CBK Charter.

612

Students ?

26.9

Student/teacher ratio ?

$16,119

Per pupil spending ?

75.7%

Free/discounted lunch ?

3939 13th St.
Riverside, CA 92501-3505

(951) 826-6461

District: Riverside County Office of Education

Racial breakdown:

Hispanic:

75.8%

White:

10.9%

African American:

6.5%

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Compare CBK Charter to nearby high schools!

At a glance

▬ Ranking trend: Holding steady — 18th percentile in 2015 → 21st in 2025

Worth a look

!Test scores below the California average (14% vs 41% meeting standards)

!In the lower quartile statewide (21st percentile)

!Graduation rate below the California average (50% vs 88%)

Students meeting standards (2024-2025) ?

This school14%

District avg9%

California avg41%

1,718^th of 2,162

California public high schools ?

Bottom 21%▲ up 3 pts since 2015

See the entire ranking list of California High Schools →

★★★★★

SchoolDigger rating ?

1^st of 2High Schools in the Riverside County Office of Education

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	18.8	1718 of 2162	20.5%	★☆☆☆☆
2024	16.8	1764 of 2159	18.3%	★☆☆☆☆
2023	17.1	1776 of 2170	18.2%	★☆☆☆☆
2022	14.7	1803 of 2123	15.1%	★☆☆☆☆
2021	13.9	1096 of 1290	15.0%	★☆☆☆☆
2019	14.4	1792 of 2133	16.0%	★☆☆☆☆
2018	14.7	1609 of 2017	20.2%	★☆☆☆☆
2017	12.1	1704 of 2021	15.7%	★☆☆☆☆
2016	15.6	1600 of 2039	21.5%	★☆☆☆☆
2015	13.6	1637 of 1994	17.9%	★☆☆☆☆

African American

Year	Avg score	Statewide rank	California percentile	Rating
2023	36.6	299 of 521	42.6%	★★☆☆☆
2022	10.5	514 of 522	1.5%	☆☆☆☆☆
2019	12.3	556 of 592	6.1%	☆☆☆☆☆
2018	10.1	561 of 582	3.6%	☆☆☆☆☆

Disabled

Year	Avg score	Statewide rank	California percentile	Rating
2022	35.1	690 of 1161	40.6%	★★☆☆☆
2021	42.0	272 of 555	51.0%	★★★☆☆
2019	30.4	761 of 1117	31.9%	★★☆☆☆

English Language Learner

Year	Avg score	Statewide rank	California percentile	Rating
2024	23.8	1059 of 1085	2.4%	☆☆☆☆☆
2023	27.5	894 of 1064	16.0%	★☆☆☆☆
2022	57.3	232 of 1044	77.8%	★★★★☆
2021	33.2	307 of 467	34.3%	★★☆☆☆
2019	37.2	529 of 941	43.8%	★★☆☆☆
2018	25.4	739 of 938	21.2%	★☆☆☆☆

Female

Year	Avg score	Statewide rank	California percentile	Rating
2025	16.4	1583 of 1906	16.9%	★☆☆☆☆
2024	12.9	1684 of 1915	12.1%	★☆☆☆☆
2023	11.8	1732 of 1915	9.6%	☆☆☆☆☆
2022	11.8	1685 of 1858	9.3%	☆☆☆☆☆
2021	9.1	980 of 1054	7.0%	☆☆☆☆☆
2019	9.5	1710 of 1833	6.7%	☆☆☆☆☆
2018	11.5	1495 of 1760	15.1%	★☆☆☆☆

Hispanic

Year	Avg score	Statewide rank	California percentile	Rating
2025	18.5	1535 of 1900	19.2%	★☆☆☆☆
2024	16.1	1602 of 1902	15.8%	★☆☆☆☆
2023	16.1	1615 of 1917	15.8%	★☆☆☆☆
2022	15.4	1585 of 1861	14.8%	★☆☆☆☆
2019	14.1	1543 of 1814	14.9%	★☆☆☆☆
2018	15.1	1386 of 1742	20.4%	★☆☆☆☆

Homeless

Year	Avg score	Statewide rank	California percentile	Rating
2025	27.3	305 of 410	25.6%	★☆☆☆☆

Low Socio Economic Status

Year	Avg score	Statewide rank	California percentile	Rating
2025	20.2	1576 of 2013	21.7%	★☆☆☆☆
2024	18.8	1640 of 2026	19.1%	★☆☆☆☆
2023	17.2	1676 of 2030	17.4%	★☆☆☆☆
2022	16.8	1628 of 1943	16.2%	★☆☆☆☆
2021	14.1	968 of 1126	14.0%	★☆☆☆☆
2019	14.7	1638 of 1937	15.4%	★☆☆☆☆
2018	14.4	1498 of 1862	19.5%	★☆☆☆☆

Male

Year	Avg score	Statewide rank	California percentile	Rating
2025	16.6	1587 of 1942	18.3%	★☆☆☆☆
2024	16.3	1616 of 1948	17.0%	★☆☆☆☆
2023	23.6	1472 of 1963	25.0%	★☆☆☆☆
2022	15.2	1623 of 1916	15.3%	★☆☆☆☆
2021	14.3	965 of 1122	14.0%	★☆☆☆☆
2019	17.5	1496 of 1880	20.4%	★☆☆☆☆
2018	14.5	1476 of 1834	19.5%	★☆☆☆☆

Special Education

Year	Avg score	Statewide rank	California percentile	Rating
2025	39.5	664 of 1252	47.0%	★★☆☆☆
2024	20.6	1072 of 1216	11.8%	★☆☆☆☆
2023	24.3	988 of 1197	17.5%	★☆☆☆☆

White

Year	Avg score	Statewide rank	California percentile	Rating
2025	34.3	793 of 1155	31.3%	★★☆☆☆
2024	4.0	1128 of 1173	3.8%	☆☆☆☆☆
2022	5.5	1152 of 1204	4.3%	☆☆☆☆☆
2019	6.1	1131 of 1222	7.4%	☆☆☆☆☆
2018	10.1	1038 of 1173	11.5%	★☆☆☆☆

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)

Special Education (2025)47th percentile+26 vs school

African American (2023)43rd percentile+24 vs school

Disabled (2022)41st percentile+25 vs school

White (2025)31st percentile+11 vs school

Homeless (2025)26th percentile+5 vs school

Low Socio Economic Status (2025)22nd percentile~ school

Hispanic (2025)19th percentile~ school

Male (2025)18th percentile~ school

Female (2025)17th percentile-4 vs school

English Language Learner (2024)2nd percentile-16 vs school

By subject vs California (2024-2025) ?

English Language Arts/Literacy28%-21 vs state

Science7%-25 vs state

Mathematics3%-34 vs state

★

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Schools Near CBK Charter

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 8th Grade	CAST Science 11th Grade	CAST Science 12th Grade	CAST Science All Grades	Smarter Balanced Assessments English Language Arts/Literacy 7th Grade	Smarter Balanced Assessments English Language Arts/Literacy 8th Grade	Smarter Balanced Assessments English Language Arts/Literacy 11th Grade	Smarter Balanced Assessments English Language Arts/Literacy All Grades	Smarter Balanced Assessments Mathematics 7th Grade	Smarter Balanced Assessments Mathematics 8th Grade	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
CBK Charter	Public, Charter	9-12	3939 13th St.	Riverside	92501	Riverside County	Riverside County Office of Education	Yes	(n/a)	No	(n/a)	(951) 826-6461	612	23	26.9	75.7%	67 (10.9%)	40 (6.5%)	464 (75.8%)	5 (0.8%)	4 (0.7%)	2 (0.3%)	25 (4.1%)	18.8	1718^th of 2162 public high schools	20.5%		16.8	1764^th of 2159 public high schools	18.3%	46			7.4	7.4			28.1	28.1			2.9	2.9	$16,119	$1,618	$14,501
Riverside County Regional Occupational Program	Public	9-12	3939 13th St.	Riverside	92502	Riverside County	Riverside County Office Of Education Regional Occupational	No	(n/a)	(n/a)	(n/a)	(951) 826-6797	0				0 ()	0 ()	0 ()	0 ()	0 ()	0 ()	0 ()								(n/a)
Riverside County Community	Public	7-12	3939 13th St.	Riverside	92501	Riverside County	Riverside County Office of Education	No	(n/a)	No	(n/a)	(951) 826-6464	181	13	14.1	85.6%	13 (7.2%)	18 (9.9%)	134 (74.0%)	2 (1.1%)	2 (1.1%)	1 (0.6%)	10 (5.5%)	9.6	2036^th of 2162 public high schools	5.8%		9.1	2119^th of 2159 public high schools	1.9%	83	5.7			5.4	4.6	11.4	3.7	6.0	0.0	8.8	3.7	4.3	$23,769	$7,681	$16,088
Gateway College and Career Academy	Public, Charter	9-12	4800 Magnolia Ave.	Riverside	92506	Riverside County	Gateway College and Career Academy District	Yes	(n/a)	No	(n/a)	(951) 222-3710	394	8	49.3	60.2%	45 (11.4%)	24 (6.1%)	301 (76.4%)	9 (2.3%)	0 (0.0%)	3 (0.8%)	12 (3.0%)	61.7	776^th of 2162 public high schools	64.1%		26.8	1556^th of 2159 public high schools	27.9%	780			31.3	31.3			35.5	35.5			46.0	46.0	$13,174	$679	$12,495
Abraham Lincoln Continuation	Public	9-12	4341 Victoria Ave.	Riverside	92507	Riverside County	Riverside Unified	No	(n/a)	No	(n/a)	(951) 788-7371	148	12	12.2	94.6%	7 (4.7%)	4 (2.7%)	124 (83.8%)	4 (2.7%)	0 (0.0%)	0 (0.0%)	9 (6.1%)	9.8	2025^th of 2162 public high schools	6.3%		8.6	2138^th of 2159 public high schools	1.0%	113		4.5		4.0			9.0	9.0			1.5	1.5	$25,962	$2,088	$23,874
John W. North High	Public	9-12	1550 West Third St.	Riverside	92507	Riverside County	Riverside Unified	No	(n/a)	No	(n/a)	(951) 788-7311	2,011	88	22.7	87.9%	147 (7.3%)	177 (8.8%)	1,519 (75.5%)	82 (4.1%)	9 (0.4%)	14 (0.7%)	58 (2.9%)	46	1116^th of 2162 public high schools	48.4%		40.1	1235^th of 2159 public high schools	42.8%	119		22.1		22.2			52.8	52.8			19.5	19.5	$17,924	$1,102	$16,822
Polytechnic High	Public	9-12	5450 Victoria Ave.	Riverside	92506	Riverside County	Riverside Unified	No	(n/a)	No	(n/a)	(951) 788-7203	2,484	104	23.7	70.4%	546 (22.0%)	127 (5.1%)	1,665 (67.0%)	59 (2.4%)	4 (0.2%)	3 (0.1%)	68 (2.7%)	69.7	607^th of 2162 public high schools	71.9%		70	567^th of 2159 public high schools	73.7%	40		36.7		36.6			62.0	62.0			33.7	33.7	$16,687	$1,018	$15,669
Raincross High (Continuation)	Public	9-12	6401 Lincoln Ave.	Riverside	92506	Riverside County	Riverside Unified	No	(n/a)	No	(n/a)	(951) 276-7670	136	16	8.5	83.8%	23 (16.9%)	6 (4.4%)	97 (71.3%)	2 (1.5%)	2 (1.5%)	1 (0.7%)	5 (3.7%)	11.7	1931^st of 2162 public high schools	10.7%		11.1	1995^th of 2159 public high schools	7.6%	64		5.3		5.1			13.8	13.8			3.5	3.5	$23,385	$3,098	$20,287
Opportunity Program	Public	7-12	6401 Lincoln Ave.	Riverside	92506	Riverside County	Riverside Unified	No	(n/a)	No	(n/a)	(951) 276-7670	33	4	9.3	90.9%	4 (12.1%)	5 (15.2%)	24 (72.7%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	0 (0.0%)								(n/a)								23.5				5.9	$26,039	$3,498	$22,541
Rubidoux High	Public	9-12	4250 Opal St.	Jurupa Valley	92509	Riverside County	Jurupa Unified	No	(n/a)	No	(n/a)	(951) 222-7700	1,259	61	20.6	88.6%	45 (3.6%)	22 (1.7%)	1,155 (91.7%)	14 (1.1%)	3 (0.2%)	4 (0.3%)	15 (1.2%)	24	1614^th of 2162 public high schools	25.3%		18	1735^th of 2159 public high schools	19.6%	121		11.9	0.0	11.2			34.4	34.4			9.5	9.5	$23,073	$2,090	$20,983

Frequently Asked Questions about CBK Charter

What district is CBK Charter in?

Riverside County Office of Education

What is the racial makeup of CBK Charter?

Students at CBK Charter are 76% Hispanic, 11% White, 7% African American, 4% Two or more races.

How many students attend CBK Charter?

In the 2024-25 school year, 612 students attended CBK Charter.

Is CBK Charter a good school?

CBK Charter ranks in the bottom 20.5% of California high schools.

Rate CBK Charter!

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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.