For the 2026 school year, there are 6 public middle schools serving 4,183 students in 95330, CA.
The top-ranked public middle schools in 95330, CA are River Islands Technology Academy Ii, Nextgeneration Steam Academy and Delta Charter Online. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public middle schools in zipcode 95330 have an average math proficiency score of 35% (versus the California public middle school average of 32%), and reading proficiency score of 47% (versus the 46% statewide average). Middle schools in 95330, CA have an average ranking of 7/10, which is in the top 50% of California public middle schools.
Minority enrollment is 91% of the student body (majority Hispanic and Asian), which is more than the California public middle school average of 78% (majority Hispanic).
Best 95330, CA Public Middle Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
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: #22.
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: #33.
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: #44.
Lathrop Elementary School
(Math: 17% | Reading: 23%)
Rank:
Rank:
2/
Bottom 50%10
15851 South Fifth St.
Lathrop, CA 95330
(209) 858-7250
Lathrop, CA 95330
(209) 858-7250
Gr: K-8 | 1,000 students Student-teacher ratio: 26:1 Minority enrollment: 93%
Rank: #55.
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: n/an/a
Epic Academy
Charter School
2760 Penrose Ln.
Lathrop, CA 95330
(209) 717-6700
Lathrop, CA 95330
(209) 717-6700
Gr: K-8 | 1,025 students Student-teacher ratio: 26:1 Minority enrollment: 96%
Frequently Asked Questions
What are the top-ranked public middle schools in 95330, CA?
The top-ranked public middle schools in 95330, CA include River Islands Technology Academy Ii, Nextgeneration Steam Academy and Delta Charter Online.
How many public middle schools are located in 95330?
6 public middle schools are located in 95330.
What is the racial composition of students in 95330?
95330 public middle schools minority enrollment is 91% of the student body (majority Hispanic and Asian), which is more than the California public middle schools average of 78% (majority Hispanic).
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