For the 2026-27 school year, there are 41 public charter schools serving 16,947 students in San Joaquin County, CA.
The top-ranked public charter schools in San Joaquin County, CA are Stockton Early College Academy, Primary Charter and Millennium Charter. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
San Joaquin County, CA public charter schools have an average math proficiency score of 25% (versus the California public charter school average of 32%), and reading proficiency score of 42% (versus the 48% statewide average). Charter schools in San Joaquin County have an average ranking of 3/10, which is in the bottom 50% of California public charter schools.
Minority enrollment is 85% of the student body (majority Hispanic), which is more than the California public charter school average of 75% (majority Hispanic).
Best Public Charter Schools in San Joaquin County (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Stockton Early College Academy
Charter School
(Math: 50-54% | Reading: ≥95%)
Rank:
Rank:
10/
Top 10%10
349 East Vine St.
Stockton, CA 95202
(209) 933-7370
Stockton, CA 95202
(209) 933-7370
Gr: 9-12 | 428 students Student-teacher ratio: 31:1 Minority enrollment: 96%
Rank: #22.
Primary Charter
Charter School
(Math: 65-69% | Reading: 60-64%)
Rank:
Rank:
9/
Top 20%10
51 East Beverly Pl.
Tracy, CA 95376
(209) 290-0511
Tracy, CA 95376
(209) 290-0511
Gr: K-4 | 401 students Student-teacher ratio: 20:1 Minority enrollment: 80%
Rank: #33.
Millennium Charter
Charter School
(Math: 45-49% | Reading: 70-74%)
Rank:
Rank:
9/
Top 20%10
51 East Beverly Pl.
Tracy, CA 95376
(209) 290-0511
Tracy, CA 95376
(209) 290-0511
Gr: 9-12 | 436 students Student-teacher ratio: 16:1 Minority enrollment: 82%
Rank: #44.
River Islands Technology Academy Ii
Charter School
(Math: 51% | Reading: 65%)
Rank:
Rank:
9/
Top 20%10
1175 Marina Dr.
Lathrop, CA 95330
(209) 229-4700
Lathrop, CA 95330
(209) 229-4700
Gr: K-8 | 954 students Student-teacher ratio: 24:1 Minority enrollment: 88%
Rank: #55.
Pacific Law Academy
Charter School
(Math: 30-39% | Reading: 80-89%)
Rank:
Rank:
8/
Top 30%10
1621 Brookside Rd.
Stockton, CA 95207
(209) 933-7475
Stockton, CA 95207
(209) 933-7475
Gr: 7-12 | 199 students Student-teacher ratio: 20:1 Minority enrollment: 93%
Rank: #66.
California Online Public Schools Monterey Bay
Charter School
(Math: 35-39% | Reading: 60-64%)
Rank:
Rank:
8/
Top 30%10
108 Whispering Pines Dr. Ste.
Ripon, CA 95366
(800) 906-5166
Ripon, CA 95366
(800) 906-5166
Gr: K-12 | 440 students Student-teacher ratio: 28:1 Minority enrollment: 70%
Rank: #77.
Escalon Charter Academy
Charter School
(Math: 35-39% | Reading: 55-59%)
Rank:
Rank:
7/
Top 50%10
1520 Yosemite Ave.
Escalon, CA 95320
(209) 838-3591
Escalon, CA 95320
(209) 838-3591
Gr: K-12 | 368 students Student-teacher ratio: 25:1 Minority enrollment: 36%
Rank: #88.
John Mccandless Charter
Charter School
(Math: 41% | Reading: 51%)
Rank:
Rank:
7/
Top 50%10
915 Rose Marie Ln.
Stockton, CA 95207
(209) 888-0160
Stockton, CA 95207
(209) 888-0160
Gr: K-8 | 434 students Student-teacher ratio: 21:1 Minority enrollment: 82%
Rank: #99.
Nextgeneration Steam Academy
Charter School
(Math: 39% | Reading: 51%)
Rank:
Rank:
7/
Top 50%10
18001 Commercial St.
Lathrop, CA 95330
(209) 229-4736
Lathrop, CA 95330
(209) 229-4736
Gr: K-8 | 797 students Student-teacher ratio: 23:1 Minority enrollment: 91%
Rank: #1010.
Joe Serna Jr. Charter
Charter School
(Math: 32% | Reading: 54%)
Rank:
Rank:
7/
Top 50%10
4620 East Acampo Rd.
Acampo, CA 95220
(209) 331-7809
Acampo, CA 95220
(209) 331-7809
Gr: K-8 | 369 students Student-teacher ratio: 19:1 Minority enrollment: 85%
Rank: #1111.
Health Careers Academy
Charter School
(Math: 20-24% | Reading: 65-69%)
Rank:
Rank:
7/
Top 50%10
931 East Magnolia St.
Stockton, CA 95203
(209) 933-7360
Stockton, CA 95203
(209) 933-7360
Gr: 9-12 | 410 students Student-teacher ratio: 18:1 Minority enrollment: 96%
Rank: #1212.
California Online Public Schools Northern California
Charter School
(Math: 21% | Reading: 54%)
Rank:
Rank:
6/
Top 50%10
580 North Wilma Ave. Ste. G
Ripon, CA 95366
(800) 906-5166
Ripon, CA 95366
(800) 906-5166
Gr: K-12 | 1,507 students Student-teacher ratio: 22:1 Minority enrollment: 68%
Rank: #1313.
Vista Oaks Charter
Charter School
(Math: 25% | Reading: 47%)
Rank:
Rank:
6/
Top 50%10
315 South Lower Sacramento Ste
Lodi, CA 95242
(209) 365-4060
Lodi, CA 95242
(209) 365-4060
Gr: K-12 | 999 students Student-teacher ratio: 25:1 Minority enrollment: 56%
Rank: #1414.
California Online Public Schools North Bay
Charter School
(Math: 20-29% | Reading: 45-49%)
Rank:
Rank:
6/
Top 50%10
20932 Big Canyon Rd.
Ripon, CA 95366
(800) 906-5166
Ripon, CA 95366
(800) 906-5166
Gr: K-12 | 144 students Student-teacher ratio: 36:1 Minority enrollment: 55%
Rank: #1515.
Discovery Charter
Charter School
(Math: 27% | Reading: 40%)
Rank:
Rank:
5/
Bottom 50%10
51 East Beverly Pl.
Tracy, CA 95376
(209) 290-0511
Tracy, CA 95376
(209) 290-0511
Gr: 5-8 | 369 students Student-teacher ratio: 23:1 Minority enrollment: 82%
Rank: #1616.
Stockton Collegiate International Secondary
Charter School
(Math: 17% | Reading: 47%)
Rank:
Rank:
5/
Bottom 50%10
400 E. Main St., Ste. 131
Stockton, CA 95201
(209) 390-9861
Stockton, CA 95201
(209) 390-9861
Gr: 6-12 | 466 students Student-teacher ratio: 27:1 Minority enrollment: 91%
Rank: #1717.
California Online Public Schools Central Valley
Charter School
(Math: 17% | Reading: 42%)
Rank:
Rank:
4/
Bottom 50%10
5313 Road 39
Ripon, CA 95366
(800) 906-5166
Ripon, CA 95366
(800) 906-5166
Gr: K-12 | 729 students Minority enrollment: 65%
Rank: #1818.
Tracy Independent Study Charter
Charter School
(Math: 10-14% | Reading: 45-49%)
Rank:
Rank:
4/
Bottom 50%10
1904 North Corral Hollow Rd.
Tracy, CA 95376
(209) 830-3200
Tracy, CA 95376
(209) 830-3200
Gr: K-12 | 359 students Student-teacher ratio: 20:1 Minority enrollment: 82%
Rank: #1919.
Delta Charter
Charter School
(Math: 21% | Reading: 36%)
Rank:
Rank:
4/
Bottom 50%10
31400 South Koster Rd.
Tracy, CA 95304
(209) 830-6363
Tracy, CA 95304
(209) 830-6363
Gr: K-12 | 772 students Student-teacher ratio: 16:1 Minority enrollment: 70%
Rank: #2020.
Stockton Collegiate International Elementary School
Charter School
(Math: 26% | Reading: 29%)
Rank:
Rank:
4/
Bottom 50%10
400 E. Main St., Ste. 131
Stockton, CA 95201
(209) 390-9861
Stockton, CA 95201
(209) 390-9861
Gr: K-5 | 360 students Student-teacher ratio: 28:1 Minority enrollment: 96%
Rank: #2121.
Able Charter
Charter School
(Math: 19% | Reading: 34%)
Rank:
Rank:
4/
Bottom 50%10
6515 Inglewood Ave.
Stockton, CA 95207
(209) 478-1600
Stockton, CA 95207
(209) 478-1600
Gr: K-12 | 1,186 students Student-teacher ratio: 20:1 Minority enrollment: 93%
Rank: #2222.
Kipp Stockton
Charter School
(Math: 15-19% | Reading: 30-39%)
Rank:
Rank:
3/
Bottom 50%10
742 Dallas Ave.
Stockton, CA 95206
(209) 888-1686
Stockton, CA 95206
(209) 888-1686
Gr: K-12 | 265 students Student-teacher ratio: 17:1 Minority enrollment: 97%
Rank: #2323.
Banta Charter
Charter School
(Math: ≤20% | Reading: 21-39%)
Rank:
Rank:
3/
Bottom 50%10
22345 El Rancho Rd.
Tracy, CA 95304
(209) 229-4650
Tracy, CA 95304
(209) 229-4650
Gr: K-8 | 73 students Student-teacher ratio: 24:1 Minority enrollment: 84%
Rank: #2424.
Delta Charter Online
Charter School
(Math: 10-14% | Reading: 35-39%)
Rank:
Rank:
3/
Bottom 50%10
31400 South Koster Rd.
Lathrop, CA 95330
(209) 830-6363
Lathrop, CA 95330
(209) 830-6363
Gr: K-12 | 282 students Student-teacher ratio: 24:1 Minority enrollment: 74%
Rank: #2525.
Nightingale Charter
Charter School
(Math: 19% | Reading: 28%)
Rank:
Rank:
3/
Bottom 50%10
1721 Carpenter Rd.
Stockton, CA 95206
(209) 933-7260
Stockton, CA 95206
(209) 933-7260
Gr: K-8 | 425 students Student-teacher ratio: 22:1 Minority enrollment: 99%
Rank: #2626.
Aspire Stockton 6-12 Secondary Academy
Charter School
(Math: 10-14% | Reading: 30-34%)
Rank:
Rank:
3/
Bottom 50%10
2428 Belleview Ave.
Stockton, CA 95206
(209) 208-9900
Stockton, CA 95206
(209) 208-9900
Gr: 6-12 | 326 students Student-teacher ratio: 25:1 Minority enrollment: 98%
Rank: #2727.
Pittman Charter
Charter School
(Math: 18% | Reading: 26%)
Rank:
Rank:
3/
Bottom 50%10
701 East Park St.
Stockton, CA 95202
(209) 933-7496
Stockton, CA 95202
(209) 933-7496
Gr: K-8 | 619 students Student-teacher ratio: 24:1
Rank: #2828.
Delta Home Charter
Charter School
(Math: 14% | Reading: 30%)
Rank:
Rank:
2/
Bottom 50%10
31400 South Koster Rd.
Tracy, CA 95304
(209) 830-6363
Tracy, CA 95304
(209) 830-6363
Gr: K-12 | 265 students Student-teacher ratio: 24:1 Minority enrollment: 69%
Rank: #2929.
Venture Academy
Alternative School
Charter School
Charter School
(Math: 11% | Reading: 31%)
Rank:
Rank:
2/
Bottom 50%10
2829 Transworld Dr.
Stockton, CA 95213
(209) 468-5940
Stockton, CA 95213
(209) 468-5940
Gr: K-12 | 1,657 students Student-teacher ratio: 21:1 Minority enrollment: 89%
Rank: #3030.
New Jerusalem
Charter School
(Math: 10-14% | Reading: 20-24%)
Rank:
Rank:
2/
Bottom 50%10
31400 South Koster Rd.
Tracy, CA 95304
(209) 835-2597
Tracy, CA 95304
(209) 835-2597
Gr: 1-8 | 217 students Student-teacher ratio: 24:1 Minority enrollment: 61%
Rank: #3131.
Team Charter Academy
Charter School
(Math: 6-9% | Reading: 26%)
Rank:
Rank:
1/
Bottom 50%10
540 East Main St.
Stockton, CA 95202
(209) 462-2282
Stockton, CA 95202
(209) 462-2282
Gr: 6-8 | 180 students Student-teacher ratio: 18:1 Minority enrollment: 98%
Rank: #3232.
Team Charter
Charter School
(Math: 6% | Reading: 21%)
Rank:
Rank:
1/
Bottom 50%10
600 East Main St.
Stockton, CA 95202
(209) 462-2282
Stockton, CA 95202
(209) 462-2282
Gr: K-5 | 511 students Student-teacher ratio: 24:1 Minority enrollment: 98%
Rank: #3333.
Delta Keys Charter
Charter School
(Math: ≤10% | Reading: 11-19%)
Rank:
Rank:
1/
Bottom 50%10
31400 South Koster Rd.
Lathrop, CA 95330
(209) 830-6363
Lathrop, CA 95330
(209) 830-6363
Gr: K-12 | 125 students Student-teacher ratio: 18:1 Minority enrollment: 86%
Rank: #3434.
Dr. Lewis Dolphin Stallworth Sr. Charter
Charter School
(Math: ≤5% | Reading: 10-14%)
Rank:
Rank:
1/
Bottom 50%10
1610 East Main St.
Stockton, CA 95205
(209) 948-4511
Stockton, CA 95205
(209) 948-4511
Gr: K-8 | 256 students Student-teacher ratio: 28:1
Rank: #3535.
One.charter
Alternative School
Charter School
Charter School
(Math: ≤5% | Reading: ≤10%)
Rank:
Rank:
1/
Bottom 50%10
2707 Transworld Dr.
Stockton, CA 95213
(209) 468-4847
Stockton, CA 95213
(209) 468-4847
Gr: K-12 | 1,356 students Student-teacher ratio: 25:1 Minority enrollment: 90%
Show 6 more public schools in San Joaquin County, CA (out of 41 total schools)
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San Joaquin County Public Schools (Closed)
School
Location
Quick Facts
19051 Hwy 88
Clements, CA 95227
(209) 331-7300
Clements, CA 95227
(209) 331-7300
Gr: K-1 | 65 students Minority enrollment: 60%
51 East Beverly Pl.
Tracy, CA 95376
(831) 831-5240
Tracy, CA 95376
(831) 831-5240
Gr: 6-8 | 573 students Student-teacher ratio: 18:1 Minority enrollment: 75%
Davis Community Day (Closed 2012)
Alternative School
5224 East Morada Ln
Stockton, CA 95212
(209) 953-8301
Stockton, CA 95212
(209) 953-8301
Gr: 4
De Witt Nelson High School (Closed 2009)
Alternative School
7650 South Newcastle Rd.
Stockton, CA 95213
(209) 944-6168
Stockton, CA 95213
(209) 944-6168
Gr: 8-12 | 222 students Student-teacher ratio: 10:1 Minority enrollment: 88%
Delta Bridges Charter (Closed 2025)
Charter School
703 E. Swain Rd.
Tracy, CA 95304
(209) 830-6363
Tracy, CA 95304
(209) 830-6363
Gr: K-8 | 248 students Student-teacher ratio: 25:1 Minority enrollment: 96%
11022 West Howard Rd.
Tracy, CA 95376
(209) 830-3306
Tracy, CA 95376
(209) 830-3306
Gr: K-8 | 135 students Student-teacher ratio: 17:1 Minority enrollment: 96%
Delta Keys Charter (Closed 2021)
Charter School
31400 S. Koster Rd.
Tracy, CA 95304
(209) 830-6363
Tracy, CA 95304
(209) 830-6363
Gr: K-12 | 105 students Student-teacher ratio: 26:1 Minority enrollment: 64%
Delta Launch Charter (Closed 2023)
Charter School
31400 S. Koster Rd.
Tracy, CA 95304
(209) 830-6363
Tracy, CA 95304
(209) 830-6363
Gr: K-12 | 11 students Student-teacher ratio: 11:1 Minority enrollment: 9%
Dr. Lewis Dolphin Stallworth Senior Charter (Closed 2023)
Charter School
1610 E. Main St.
Stockton, CA 95205
(209) 948-4511
Stockton, CA 95205
(209) 948-4511
Gr: K-8 | 256 students Student-teacher ratio: 23:1 Minority enrollment: 96%
Duncan-russell Continuation (Closed 2023)
Alternative School
164 W. Grantline Rd.
Tracy, CA 95376
(209) 830-3357
Tracy, CA 95376
(209) 830-3357
Gr: 10-12
Escalon Unified Community Day (Closed 2006)
Alternative School
805 First St.
Escalon, CA 95320
(209) 838-7095
Escalon, CA 95320
(209) 838-7095
Gr: 6 | 19 students Minority enrollment: 37%
2720 Transworld Dr.
Stockton, CA 95206
(209) 227-2290
Stockton, CA 95206
(209) 227-2290
Gr: 7-12 | 238 students Student-teacher ratio: 30:1 Minority enrollment: 81%
Excel High School (Closed 2015)
Alternative School
315 E. 11th St.
Tracy, CA 95376
(209) 830-3360
Tracy, CA 95376
(209) 830-3360
Gr: 9-12
Golden Valley Elementary Community Day (Closed 2008)
Alternative School
3203 Sanguinetti Ln.
Stockton, CA 95205
(209) 933-7340
Stockton, CA 95205
(209) 933-7340
Gr: 4-6 | 11 students
Golden Valley Secondary Community Day (Closed 2008)
Alternative School
1144 East Channel St.
Stockton, CA 95205
(209) 953-4039
Stockton, CA 95205
(209) 953-4039
Gr: 7-12 | 128 students Student-teacher ratio: 18:1 Minority enrollment: 92%
1800 South Sutter St.
Stockton, CA 95206
(209) 933-7195
Stockton, CA 95206
(209) 933-7195
Gr: K-4 | 260 students Student-teacher ratio: 22:1
486 Button Ave.
Manteca, CA 95336
(209) 824-5400
Manteca, CA 95336
(209) 824-5400
Gr: K-8 | 773 students Student-teacher ratio: 27:1 Minority enrollment: 52%
1545 South Holt Rd.
Stockton, CA 95206
(209) 463-2590
Stockton, CA 95206
(209) 463-2590
Gr: K-8 | 125 students Student-teacher ratio: 25:1 Minority enrollment: 88%
Po Box 213002
Stockton, CA 95213
(209) 944-6164
Stockton, CA 95213
(209) 944-6164
Gr: 9-12 | 318 students Student-teacher ratio: 16:1 Minority enrollment: 77%
6505 Inglewood Ave
Stockton, CA 95207
(209) 933-7475
Stockton, CA 95207
(209) 933-7475
Gr: 8-12 | 287 students Minority enrollment: 92%
James Urbani Institute Of Language Development (Closed 2012)
Alternative School
2245 East 11th St
Stockton, CA 95206
(209) 933-7395
Stockton, CA 95206
(209) 933-7395
Gr: 3-9 | 23 students Minority enrollment: 96%
Lakewood Community Day (Closed 2012)
Alternative School
1100 North Ham Ln
Lodi, CA 95242
(209) 331-7348
Lodi, CA 95242
(209) 331-7348
Gr: 4
Lincoln Community Day 7-12 (Closed 2004)
Alternative School
2020 West Swain Rd.
Stockton, CA 95207
(209) 953-8740
Stockton, CA 95207
(209) 953-8740
Gr: 7-12 | 17 students Student-teacher ratio: 9:1 Minority enrollment: 59%
Lincoln Community Day K-6 (Closed 2004)
Alternative School
2020 West Swain Rd.
Stockton, CA 95207
(209) 953-8740
Stockton, CA 95207
(209) 953-8740
Gr: K-6 | 10 students Minority enrollment: 30%
Linden Community Middle School (Closed 2014)
Alternative School
100 North Jack Tone Rd
Stockton, CA 95215
(209) 931-2192
Stockton, CA 95215
(209) 931-2192
Gr: 5-8
Linden Unified Community Day (Closed 2014)
Alternative School
18527 East Front St
Linden, CA 95236
(209) 948-4131
Linden, CA 95236
(209) 948-4131
Gr: 7-12
302 West Weber Ave.
Stockton, CA 95203
(209) 933-7105
Stockton, CA 95203
(209) 933-7105
Gr: K-12 | 46 students Student-teacher ratio: 46:1 Minority enrollment: 59%
N.a. Chaderjian High School (Closed 2023)
Alternative School
7650 S. Newcastle Rd.
Stockton, CA 95213
(209) 944-6444
Stockton, CA 95213
(209) 944-6444
Gr: 9-12 | 63 students Student-teacher ratio: 5:1 Minority enrollment: 89%
Ripon Community Day (Closed 2010)
Alternative School
729 Main St.
Ripon, CA 95366
(209) 599-5009
Ripon, CA 95366
(209) 599-5009
Gr: 11 | 3 students
Welty And Spencer Rds.
Vernalis, CA 95385
(209) 835-0281
Vernalis, CA 95385
(209) 835-0281
Gr: K-5
San Joaquin Building Futures Academy (Closed 2023)
Alternative School
3100 Monte Diablo Ave.
Stockton, CA 95213
(209) 468-8140
Stockton, CA 95213
(209) 468-8140
Gr: 9-12
Stockton Intermediate (Closed 2013)
Alternative School
975 North D St
Stockton, CA 95205
(209) 933-7375
Stockton, CA 95205
(209) 933-7375
Gr: 4-8 | 42 students Student-teacher ratio: 14:1 Minority enrollment: 93%
Show 9 more closed public schools in San Joaquin County, CA (out of 44 total schools)
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Frequently Asked Questions
What are the top-ranked public charter schools in San Joaquin County, CA?
The top-ranked public charter schools in San Joaquin County, CA include Stockton Early College Academy, Primary Charter and Millennium Charter.
How many public charter schools are located in San Joaquin County?
38 public charter schools are located in San Joaquin County.
What is the racial composition of students in San Joaquin County?
San Joaquin County public charter schools minority enrollment is 85% of the student body (majority Hispanic), which is more than the California public charter schools average of 75% (majority Hispanic).
Which public charter schools in San Joaquin County are often viewed compared to one another?
Popular comparisons of public charter schools in San Joaquin County include: Nextgeneration Steam Academy vs. River Islands Technology Academy Ii, River Islands Technology Academy Ii vs. Nextgeneration Steam Academy, River Islands High School vs. Epic Academy
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