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Best Public Charter Schools in San Joaquin County (2026)
Public School Review - Established 2003

Best San Joaquin County Public Charter Schools (2026)

For the 2026 school year, there are 41 public charter schools serving 17,195 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)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Stockton Early College Academy
Charter School
(Math: 50-54% | Reading: ≥95%)
Rank:
10/
10
Top 10%
349 East Vine St.
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:
9/
10
Top 20%
51 East Beverly Pl.
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:
9/
10
Top 20%
51 East Beverly Pl.
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:
9/
10
Top 20%
1175 Marina Dr.
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:
8/
10
Top 30%
1621 Brookside Rd.
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:
8/
10
Top 30%
108 Whispering Pines Dr. Ste.
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:
7/
10
Top 50%
1520 Yosemite Ave.
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:
7/
10
Top 50%
915 Rose Marie Ln.
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:
7/
10
Top 50%
18001 Commercial St.
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:
7/
10
Top 50%
4620 East Acampo Rd.
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:
7/
10
Top 50%
931 East Magnolia St.
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:
6/
10
Top 50%
580 North Wilma Ave. Ste. G
Ripon, CA 95366
(800) 906-5166
Gr: K-12 | 1,507 student Student-teacher ratio: 22:1 Minority enrollment: 68%
Rank: #1313.
Vista Oaks Charter
Charter School
(Math: 25% | Reading: 47%)
Rank:
6/
10
Top 50%
315 South Lower Sacramento Ste
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:
6/
10
Top 50%
20932 Big Canyon Rd.
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:
5/
10
Bottom 50%
51 East Beverly Pl.
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:
5/
10
Bottom 50%
400 E. Main St., Ste. 131
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:
4/
10
Bottom 50%
5313 Road 39
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:
4/
10
Bottom 50%
1904 North Corral Hollow Rd.
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:
4/
10
Bottom 50%
31400 South Koster Rd.
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:
4/
10
Bottom 50%
400 E. Main St., Ste. 131
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:
4/
10
Bottom 50%
6515 Inglewood Ave.
Stockton, CA 95207
(209) 478-1600
Gr: K-12 | 1,186 student Student-teacher ratio: 20:1 Minority enrollment: 93%
Rank: #2222.
Kipp Stockton
Charter School
(Math: 15-19% | Reading: 30-39%)
Rank:
3/
10
Bottom 50%
742 Dallas Ave.
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:
3/
10
Bottom 50%
22345 El Rancho Rd.
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:
3/
10
Bottom 50%
31400 South Koster Rd.
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:
3/
10
Bottom 50%
1721 Carpenter Rd.
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:
3/
10
Bottom 50%
2428 Belleview Ave.
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:
3/
10
Bottom 50%
701 East Park St.
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:
2/
10
Bottom 50%
31400 South Koster Rd.
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
(Math: 11% | Reading: 31%)
Rank:
2/
10
Bottom 50%
2829 Transworld Dr.
Stockton, CA 95213
(209) 468-5940
Gr: K-12 | 1,657 student Student-teacher ratio: 21:1 Minority enrollment: 89%
Rank: #3030.
New Jerusalem
Charter School
(Math: 10-14% | Reading: 20-24%)
Rank:
2/
10
Bottom 50%
31400 South Koster Rd.
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:
1/
10
Bottom 50%
540 East Main St.
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:
1/
10
Bottom 50%
600 East Main St.
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:
1/
10
Bottom 50%
31400 South Koster Rd.
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:
1/
10
Bottom 50%
1610 East Main St.
Stockton, CA 95205
(209) 948-4511
Gr: K-8 | 256 students Student-teacher ratio: 28:1
Rank: #3535.
One.charter
Alternative School
Charter School
(Math: ≤5% | Reading: ≤10%)
Rank:
1/
10
Bottom 50%
2707 Transworld Dr.
Stockton, CA 95213
(209) 468-4847
Gr: K-12 | 1,356 student Student-teacher ratio: 25:1 Minority enrollment: 90%

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?
39 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?

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