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River Valley Charter

NOTE: this school is no longer listed as a functioning school by the National Center for Education Statistics. We continue to list this school on SchoolDigger for historical purposes.

It is possible that this school is still operating under a different district or under a different name. If you believe this to be the case, please search for this school by using the search box above.

Public, Charter Grades 7-12

73^rd

SchoolDigger Rank ?

of 2,137 California High Schools

Better than 97% of California high schools

Summary

River Valley Charter is a 7–12 school serving 314 students in Lakeside, in the Lakeside Union district. Its overall academic results are strong, but schoolwide figures mask a sharp difference between grades. The most important takeaway is that seventh-grade results are a clear concern despite standout performance in later grades.

In 2025–2026, proficiency was 67% in ELA, 51% in math and 54% in science—above state results of 49%, 38% and 36%, and district results of 46%, 35% and 39%. The school also exceeded nearby-school averages by 26 points in ELA, 30 in math and 28 in science. But seventh-grade ELA was 29%, below the state by 22 points and the district by 20; seventh-grade math was 35%, slightly below both. Results were much stronger in eighth and eleventh grades: eleventh-grade ELA reached 89%, and math 58%, exceeding state results by 31 and 26 points. Attendance is another strength: chronic absenteeism was 9%, compared with 14% in the district and 18% statewide, and 14% at nearby West Hills High, the next-lowest nearby school reporting a rate.

River Valley ranks at the 97th percentile and has 5 stars in SchoolDigger’s 2025–2026 ratings, ahead of nearby Santana High at the 80th percentile and West Hills High at the 77th. Its earlier supplied ranking was the 99th percentile in 2017–2018, but graduation and dropout figures warrant attention: the graduation rate was 85%, equal to the district and 3 points below the state, while the dropout rate was 12%, 4 points above the state. The school’s historical student-teacher ratio was 21:1, and 14% were free/reduced lunch eligible in 2017–2018. The supplied data provide no earlier test results or current student-teacher or low-income measures, and nearby schools’ comparisons use different school years and, often, different grade spans.

314

Students ?

21.0

Student/teacher ratio ?

$26,889

Per pupil spending ?

9707 1/2 Marilla Dr.
Lakeside, CA 92040-2868

(619) 390-2579

District: Lakeside Union

Racial breakdown:

White:

73.6%

Hispanic:

14.6%

Asian:

6.1%

See top rated California high schools

At a glance

▬ Ranking trend: Holding steady — 97th percentile in 2009 → 97th in 2026

Strengths

✓Test scores above the California average (57% vs 42% meeting standards)

✓Ranks in the top 3% of California high schools

Worth a look

!Dropout rate above the California average (12% vs 8%)

!Some student groups rank well below the school's overall statewide standing

Students meeting standards (2025-2026) ?

This school57%

District avg40%

California avg42%

Middle school

803^rd of 2,703

California public middle schools ?

Top 30%▼ down 24 pts since 2016

From top 6% (2016) to top 30% (2026)

See the entire ranking list of California Middle Schools →

★★★★★

SchoolDigger rating ?

High school

73^rd of 2,137

California public high schools ?

Top 3%▼ down 1 pts since 2016

See the entire ranking list of California High Schools →

★★★★★

SchoolDigger rating ?

364^th of 968Lakeside Union 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)

Middle school ranking

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	California percentile	Rating
2026	65.0	803 of 2703	70.3%	★★★★☆
2018	87.7	294 of 2480	88.1%	★★★★☆
2017	94.8	131 of 2508	94.8%	★★★★★
2016	92.8	150 of 2497	94.0%	★★★★★
2015	93.5	142 of 2477	94.3%	★★★★★
2013	83.4	239 of 2379	90.0%	★★★★☆
2012	85.9	172 of 2259	92.4%	★★★★★
2011	84.4	210 of 2236	90.6%	★★★★★
2010	79.3	320 of 2179	85.3%	★★★★☆
2009	91.8	68 of 2063	96.7%	★★★★★
2008	88.1	140 of 2005	93.0%	★★★★★
2007	76.9	355 of 1999	82.2%	★★★★☆
2006	80.9	276 of 1804	84.7%	★★★★☆
2005	79.8	290 of 1777	83.7%	★★★★☆
2004	79.2	300 of 1769	83.0%	★★★★☆

Female

Year	Avg score	Statewide rank	California percentile	Rating
2026	46.9	1161 of 2483	53.2%	★★★☆☆
2018	80.4	397 of 2262	82.4%	★★★★☆

Male

Year	Avg score	Statewide rank	California percentile	Rating
2026	86.4	300 of 2478	87.9%	★★★★☆
2018	91.5	196 of 2273	91.4%	★★★★★

White

Year	Avg score	Statewide rank	California percentile	Rating
2026	55.0	647 of 1482	56.3%	★★★☆☆
2018	83.4	180 of 1496	88.0%	★★★★☆

High school ranking

Show full rank history (all student groups)

All Students

Year	Avg score	Statewide rank	California percentile	Rating
2026	95.8	73 of 2137	96.6%	★★★★★
2018	97.9	25 of 2017	98.8%	★★★★★
2017	97.9	13 of 2021	99.4%	★★★★★
2016	96.7	40 of 2039	98.0%	★★★★★
2015	98.7	6 of 1994	99.7%	★★★★★
2013	92.3	18 of 2426	99.3%	★★★★★
2012	92.5	15 of 2354	99.4%	★★★★★
2011	91.6	21 of 2367	99.1%	★★★★★
2010	92.4	17 of 2281	99.3%	★★★★★
2009	83.2	70 of 2238	96.9%	★★★★★
2008	83.2	87 of 2117	95.9%	★★★★★
2007	90.2	28 of 2063	98.6%	★★★★★
2006	92.1	17 of 1968	99.1%	★★★★★
2005	78.5	108 of 1901	94.3%	★★★★★
2004	73.8	134 of 1653	91.9%	★★★★★

Female

Year	Avg score	Statewide rank	California percentile	Rating
2026	92.7	104 of 1865	94.4%	★★★★★
2018	97.1	23 of 1760	98.7%	★★★★★

Hispanic

Year	Avg score	Statewide rank	California percentile	Rating
2026	98.8	23 of 1880	98.8%	★★★★★

Male

Year	Avg score	Statewide rank	California percentile	Rating
2026	96.1	73 of 1932	96.2%	★★★★★
2018	98.2	31 of 1834	98.3%	★★★★★

White

Year	Avg score	Statewide rank	California percentile	Rating
2026	86.2	109 of 1132	90.4%	★★★★★
2018	92.0	52 of 1173	95.6%	★★★★★

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)

Middle school

Male (2026)88th percentile+18 vs school

White (2026)56th percentile-14 vs school

Female (2026)53rd percentile-17 vs school

High school

Hispanic (2026)99th percentile~ school

Male (2026)96th percentile~ school

Female (2026)94th percentile~ school

White (2026)90th percentile-6 vs school

By subject vs California (2025-2026) ?

English Language Arts/Literacy67%+17 vs state

Science54%+18 vs state

Mathematics51%+12 vs state

★

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Schools Near River Valley Charter

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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	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 8th Grade	CAST Science 10th 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
River Valley Charter	Public, Charter	7-12	9707 1/2 Marilla Dr.	Lakeside	92040	San Diego County	River Valley Charter District	Yes	(n/a)	No	(n/a)	(619) 390-2579	231	12	19.5	20.8%	158 (68.4%)	5 (2.2%)	56 (24.2%)	3 (1.3%)	1 (0.4%)	0 (0.0%)	7 (3.0%)								(n/a)
El Capitan High	Public	9-12	10410 Ashwood St.	Lakeside	92040	San Diego County	Grossmont Union High	No	(n/a)	No	(n/a)	(619) 938-9100	1,810	83	21.8	52.2%	876 (48.4%)	29 (1.6%)	694 (38.3%)	57 (3.1%)	27 (1.5%)	6 (0.3%)	120 (6.6%)	50.9	1020^th of 2137 public high schools	52.3%		47.7	1080^th of 2162 public high schools	50.0%	60			26.5	36.4	26.8			55.2	55.2			26.0	26.0	$26,956	$25,802	$1,154
Santana High	Public	9-12	9915 North Magnolia Ave.	Santee	92071	San Diego County	Grossmont Union High	No	(n/a)	No	(n/a)	(619) 956-0211	1,621	69	23.5	46.0%	868 (53.5%)	23 (1.4%)	529 (32.6%)	68 (4.2%)	7 (0.4%)	3 (0.2%)	123 (7.6%)	79.4	421^st of 2137 public high schools	80.3%		76.4	472^nd of 2162 public high schools	78.2%	51			46.7		46.0			65.6	65.6			46.3	46.3	$25,543	$24,398	$1,145
Chaparral High	Public	9-12	1600 North Cuyamaca St.	El Cajon	92020	San Diego County	Grossmont Union High	No	(n/a)	No	(n/a)	(619) 956-4600	45	6	7.2	77.8%	14 (31.1%)	7 (15.6%)	22 (48.9%)	0 (0.0%)	0 (0.0%)	0 (0.0%)	2 (4.4%)	7.5	2085^th of 2137 public high schools	2.4%		8	2120^th of 2162 public high schools	1.9%	35			0.0		0.0			3.1	3.1			3.3	3.3
MERIT Academy	Public	9-12	1600 North Cuyamaca St.	El Cajon	91944	San Diego County	Grossmont Union High	No	(n/a)	No	(n/a)	(619) 956-0600	68	7	9.6	73.5%	28 (41.2%)	7 (10.3%)	28 (41.2%)	2 (2.9%)	0 (0.0%)	0 (0.0%)	2 (2.9%)								(n/a)														$68,770	$67,100	$1,670
IDEA Center	Public	9-12	1600 North Cuyamaca St.	El Cajon	92020	San Diego County	Grossmont Union High	No	(n/a)	No	(n/a)	(619) 956-4332	127	16	7.7	65.4%	60 (47.2%)	3 (2.4%)	51 (40.2%)	2 (1.6%)	1 (0.8%)	0 (0.0%)	8 (6.3%)	20.7	1641^st of 2137 public high schools	23.2%		21.4	1665^th of 2162 public high schools	23.0%	24			20.5		20.0			28.9	28.9			2.2	2.2	$61,698	$60,326	$1,372
Altus Schools East County	Public, Charter	7-12	111 Fletcher Pkwy.	El Cajon	92121	San Diego County	Altus Schools East County District	Yes	(n/a)	No	(n/a)	(858) 678-2020	287	8	35.3	73.2%	68 (23.7%)	21 (7.3%)	167 (58.2%)	8 (2.8%)	1 (0.3%)	0 (0.0%)	19 (6.6%)	41.7	1226^th of 2137 public high schools	42.6%		36.1	1355^th of 2162 public high schools	37.3%	129	14.8	22.2	46.2	40.0	26.7	30.4	22.2	40.0	31.8	13.0	14.8	8.6	11.8	$25,210	$24,086	$1,124
El Cajon Valley High	Public	9-12	1035 East Madison Ave.	El Cajon	92021	San Diego County	Grossmont Union High	No	(n/a)	No	(n/a)	(619) 407-4711	1,701	82	20.7	88.8%	633 (37.2%)	157 (9.2%)	692 (40.7%)	120 (7.1%)	1 (0.1%)	7 (0.4%)	90 (5.3%)	19.6	1662^nd of 2137 public high schools	22.2%		23.2	1629^th of 2162 public high schools	24.7%	33			17.6	0.0	16.3			21.6	21.6			9.7	9.7	$28,121	$26,332	$1,789
Granite Hills High	Public	9-12	1719 East Madison Ave.	El Cajon	92019	San Diego County	Grossmont Union High	No	(n/a)	No	(n/a)	(619) 593-5500	2,331	97	24.0	57.6%	1,131 (48.5%)	40 (1.7%)	903 (38.7%)	94 (4.0%)	33 (1.4%)	7 (0.3%)	122 (5.2%)	44.7	1152^nd of 2137 public high schools	46.1%		39.5	1273^rd of 2162 public high schools	41.1%	121			25.1	5.6	24.4			49.2	49.2			23.6	23.6	$22,848	$21,646	$1,202
Elite Academy	Public	9-12	230 Jamacha Blvd.	El Cajon	92019	San Diego County	Grossmont Union High	No	(n/a)	No	(n/a)	(619) 588-3545	34	3	10.7	64.7%	16 (47.1%)	4 (11.8%)	12 (35.3%)	0 (0.0%)	1 (2.9%)	0 (0.0%)	1 (2.9%)								(n/a)

Frequently Asked Questions about River Valley Charter

What district is River Valley Charter in?

Lakeside Union

How many students attend River Valley Charter?

In the 2017-18 school year, 314 students attended River Valley Charter.

Is River Valley Charter a good school?

Yes! River Valley Charter is one of the best high schools in the state. It ranks 73^rd of 2137 California high schools.

What is the racial makeup of River Valley Charter?

Students at River Valley Charter are 74% White, 15% Hispanic, 6% Asian, 3% American Indian, 1% Two or more races.

Rate River Valley Charter!

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Latest California data All new data »

2025–26 attendance data, dropout rates & graduation ratesNewOct 15, 2026

2025–26 CAST, CSA Spanish & Smarter Balanced Assessments scoresNewOct 15, 2026

2024–25 school spending dataJul 1, 2026

2024–25 attendance dataMar 13, 2026

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.