Serrano High School is a public high school in the California High Desert community of Phelan, California. It serves students from Phelan, Wrightwood and Piñon Hills. It is part of the Snowline Joint Unified School District. The school is named for the Serrano people. Its mascot is the Diamondback.
Serving 2,163 students in grades 9-12, Serrano High School ranks in the top 50% of all schools in California for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 21% (which is lower than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 55% (which is higher than the California state average of 47%).
The student-teacher ratio of 22:1 is higher than the California state level of 21:1.
Minority enrollment is 74% of the student body (majority Hispanic), which is lower than the California state average of 80% (majority Hispanic).
Quick Facts (2026-27)
- Grades: 9-12
- Enrollment: 2,163 students
- Student-Teacher Ratio: 22:1
- Minority Enrollment: 74%
- Graduation Rate: 95% (Top 30% in CA)
- Overall Testing Rank: Top 50%
- Math Proficiency: 21% (Btm 50%)
- Reading Proficiency: 55% (Top 30%)
- Science Proficiency: 27% (Top 50%)
- Attendance Zone: Serrano High's attendance zone encompasses the entire Phelan school district, covering approximately 217.3 square miles. The area generally extends up to 17.7 miles from the school, with most students typically driving 15-20 minutes to reach it.
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Overview
Serrano High School's student population of 2,163 students has stayed relatively flat over five school years.
The teacher population of 100 teachers has grown by 5% over five school years.
Grades Offered
Grades 9-12
Total Students
2,163 students
Total Classroom Teachers
100 teachers
Year Founded
2005
Campus Size
50 acres
Average Class Size
31 students
School Rankings
Serrano High School ranks within the top 50% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Serrano High School is 0.54, 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.
Overall Testing Rank
#4449 out of 9523 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
21%
34%
Reading/Language Arts Test Scores (% Proficient)
55%
47%
Science Test Scores (% Proficient)
27%
29%
Student-Teacher Ratio
22:1
21:1
American Indian
1%
1%
Asian
1%
12%
Hispanic
63%
56%
Black
5%
5%
White
26%
20%
Hawaiian
n/a
n/a
Two or more races
4%
6%
All Ethnic Groups
Graduation Rate
95%
87%
Chronically Absent Students
(22-23)26%
27.7%
Eligible for Free Lunch
52%
54%
Eligible for Reduced Lunch
6%
8%
School Statewide Testing
School District Name
Sports
School Mascot
Diamondback
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Serrano High School's ranking?
Serrano High School is ranked #4449 out of 9,523 schools, which ranks it among the top 50% of public schools in California.
What schools are Serrano High School often compared to?
Serrano High Schoolis often viewed alongside schools like Oak Hills High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
21% of students have achieved math proficiency (compared to the 34% CA state average), while 55% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Serrano High School?
The graduation rate of Serrano High School is 95%, which is higher than the California state average of 87%.
How many students attend Serrano High School?
2,163 students attend Serrano High School.
What is the racial composition of the student body?
63% of Serrano High School students are Hispanic, 26% of students are White, 5% of students are Black, 4% of students are Two or more races, 1% of students are American Indian, and 1% of students are Asian.
What is the student-teacher ratio of Serrano High School?
Serrano High School has a student ration of 22:1, which is higher than the California state average of 21:1.
What grades does Serrano High School offer ?
Serrano High School offers enrollment in grades 9-12
What school district is Serrano High School part of?
Serrano High School is part of Snowline Joint Unified School District.
School Calendar
View the Serrano High School yearly calendar below.
School Reviews
Review Serrano 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
Recent Articles
What Makes an Elementary School Feel Supportive?
Discover what makes one elementary school more supportive than another, from teacher relationships and family communication to classroom attention, belonging, student services, leadership, routines, and responsive academic support systems.
Second School Tour: Questions Parents Forget to Ask
A second school tour can reveal what families miss initially. Learn which questions to ask about teachers, support, schedules, safety, communication, programs, and everyday student life before enrolling.
Attendance Policies Are Changing: Parent Guide 2026
Attendance policies are changing across public schools. Learn what parents should examine about absences, tardiness, interventions, flexibility, communication, and student support before choosing a school for their child today.
