51±¬ÁÏ

River Islands High School District

2760 Penrose Ln.
Lathrop, CA 95330

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.
51±¬ÁÏs 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
5,827,030 Students
# Teachers
16 Teachers
268,014 Teachers
Student-Teacher Ratio
17:1
17:1

Student By Grade

Students by Ethnicity:

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 51±¬ÁÏs (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: n/an/a
2760 Penrose Ln.
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.

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Quick Facts (2026)

  • District size: 1 school
  • Grades: 09-12
  • Enrollment: 278 students
  • Student-Teacher Ratio: 17:1
  • Minority Enrollment: 89%
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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