Top Rankings
River Islands High School District ranks among the top 20% of public school district in California for:
Category
Attribute
Diversity
Most diverse schools (Top 1%)
Student Attention
Lowest student-teacher ratio (Top 1%)
For the 2026 school year, there is 1 public school serving 278 students in River Islands High School District.
Public Schools in River Islands High School District have a diversity score of 0.72, which is more than the California public school average of 0.63.
Minority enrollment is 89% of the student body (majority Asian and Hispanic), which is more than the California public school average of 80% (majority Hispanic).
Overview
This School District
This State (CA)
# Schools
1 School
10,357 Schools
# Students
278 Students
5,826,973 Students
# Teachers
16 Teachers
268,008 Teachers
Student-Teacher Ratio
17:1
17:1
Student By Grade
Students by Ethnicity:
Diversity Score
0.72
0.63
% American Indian
1%
1%
% Asian
39%
12%
% Hispanic
33%
56%
% Black
7%
5%
% White
11%
20%
% Hawaiian
2%
n/a
% Two or more races
7%
6%
All Ethnic Groups
Best River Islands High School District Public Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: n/an/a
River Islands High School
Charter School
2760 Penrose Ln.
Lathrop, CA 95330
(209) 717-6715
Lathrop, CA 95330
(209) 717-6715
Gr: 9-12 | 278 students Student-teacher ratio: 17:1 Minority enrollment: 89%
Frequently Asked Questions
How many schools belong to River Islands High School District?
River Islands High School District manages 1 public schools serving 278 students.
What is the racial composition of students in River Islands High School District?
39% of River Islands High School District students are Asian, 33% of students are Hispanic, 11% of students are White, 7% of students are Black, 7% of students are Two or more races, 2% of students are Hawaiian, and 1% of students are American Indian.
What is the student/teacher ratio of River Islands High School District?
River Islands High School District has a student/teacher ratio of 17:1, which is lower than the California state average of 22:1.
Recent Articles
Year-Round Schooling in 2026: Updated Parent Guide
Explore the latest 2026 data, trends, costs, and parent planning tips in the ongoing debate over year-round schooling vs the traditional calendar.
No Child Left Behind: Past, Present, and Future of U.S. School Policy
Explore how No Child Left Behind evolved into ESSA, what it means for 2025‑26 schooling, and what parents need to know about testing, admissions planning, and funding.
Understanding Public School Fees & Optional Costs Guide
Discover what public school fees are required versus optional, with 2026 updates for parents, students, and educators on budgeting and planning.
