Horizon High School

3086 West Mt. Whitney Ave.
Riverdale, CA 93656
8/
10
Top 30%
Serving 7 students in grades 9-12, Horizon High School ranks in the top 30% of all schools in California for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is <50% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is <50% (which is higher than the California state average of 47%).
The student-teacher ratio of 4:1 is lower than the California state level of 21:1.
Minority enrollment is 86% of the student body (majority Hispanic), which is higher than the California state average of 80% (majority Hispanic).

Quick Facts (2026)

  • School Type: Alternative school
  • Grades: 9-12
  • Enrollment: 7 students
  • Student-Teacher Ratio: 4:1
  • Minority Enrollment: 86%
  • : ≥50% (Top 1% in CA)
  • : Top 30%
  • : <50% (Top 30%)
  • : <50% (Top 50%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

Top Rankings

Horizon High School ranks among the top 20% of public schools in California for:

School Overview

Horizon High School's student population of 7 students has declined by 63% over five school years.
The teacher population of 2 teachers has grown by 100% over five school years.
School Type
Grades Offered
Grades 9-12
Total Students
7 students
Total Classroom Teachers
2 teachers

School Rankings

Horizon High School ranks within the top 30% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Horizon High School is 0.24, which is less than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
This School
State Level (CA)
#2597 out of 9523 schools
(Top 30%)
<50%
34%
<50%
47%
Student-Teacher Ratio
4:1
21:1
American Indian
n/a
1%
Asian
n/a
12%
Hispanic
86%
56%
Black
n/a
5%
White
14%
20%
Hawaiian
n/a
n/a
Two or more races
n/a
6%
All Ethnic Groups
0.24
(21-22)
≥50%
87%
Eligible for Free Lunch
100%
54%
Eligible for Reduced Lunch
29%
8%
School Statewide Testing
Source: National Center for Education Statistics (NCES), CA Dept. of Education

Frequently Asked Questions

What is Horizon High School's ranking?
Horizon High School is ranked #2597 out of 9,523 schools, which ranks it among the top 30% of public schools in California.
What percent of students have achieved state testing proficiency in math and reading?
<50% of students have achieved math proficiency (compared to the 34% CA state average), while <50% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Horizon High School?
The graduation rate of Horizon High School is 50%, which is lower than the California state average of 87%.
How many students attend Horizon High School?
7 students attend Horizon High School.
What is the racial composition of the student body?
86% of Horizon High School students are Hispanic, and 14% of students are White.
What is the student-teacher ratio of Horizon High School?
Horizon High School has a student ration of 4:1, which is lower than the California state average of 21:1.
What grades does Horizon High School offer ?
Horizon High School offers enrollment in grades 9-12
What school district is Horizon High School part of?
Horizon High School is part of Riverdale Joint Unified School District.

School Reviews

Review Horizon High School. Reviews should be a few sentences in length. Please include any comments on:

  • Quality of academic programs, teachers, and facilities
  • Availability of music, art, sports and other extracurricular activities
Rate this school:

Recent Articles

AI Report Cards: Should Schools Evaluate AI Use?
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.

Quick Facts (2026)

  • School Type: Alternative school
  • Grades: 9-12
  • Enrollment: 7 students
  • Student-Teacher Ratio: 4:1
  • Minority Enrollment: 86%
  • : ≥50% (Top 1%)
  • : Top 30%
  • : <50% (Top 30%)
  • : <50% (Top 50%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

Quick Links


Notice: Undefined property: MultipleSchoolsModel::$total in /home/devsarath/workspace/psr/public_html/include/srn_lib/psr/view/RegionQuickLinksView.inc.php on line 75

Notice: Undefined property: MultipleSchoolsModel::$total in /home/devsarath/workspace/psr/public_html/include/srn_lib/psr/view/RegionQuickLinksView.inc.php on line 82

Notice: Undefined property: MultipleSchoolsModel::$total in /home/devsarath/workspace/psr/public_html/include/srn_lib/psr/view/RegionQuickLinksView.inc.php on line 88

Notice: Undefined property: MultipleSchoolsModel::$total in /home/devsarath/workspace/psr/public_html/include/srn_lib/psr/view/RegionQuickLinksView.inc.php on line 94

Notice: Undefined property: MultipleSchoolsModel::$total in /home/devsarath/workspace/psr/public_html/include/srn_lib/psr/view/RegionQuickLinksView.inc.php on line 100

Notice: Undefined property: MultipleSchoolsModel::$total in /home/devsarath/workspace/psr/public_html/include/srn_lib/psr/view/RegionQuickLinksView.inc.php on line 106

Notice: Undefined property: MultipleSchoolsModel::$total in /home/devsarath/workspace/psr/public_html/include/srn_lib/psr/view/RegionQuickLinksView.inc.php on line 112

Notice: Undefined property: MultipleSchoolsModel::$total in /home/devsarath/workspace/psr/public_html/include/srn_lib/psr/view/RegionQuickLinksView.inc.php on line 123

Notice: Javascript file does not exist: /home/devsarath/workspace/psr/public_html/javascript/components/popper.min.js in /home/devsarath/workspace/shared/misc/JSCompiler.inc.php on line 242

Notice: Javascript file does not exist: /home/devsarath/workspace/psr/public_html/javascript/components/tippy.min.js in /home/devsarath/workspace/shared/misc/JSCompiler.inc.php on line 242

Notice: Directory does not exist in /home/devsarath/workspace/shared/misc/JSCompiler.inc.php on line 242

Notice: Unable to save compiled js file in /home/devsarath/workspace/shared/misc/JSCompiler.inc.php on line 242