Serving 2,504 students in grades 9-12, Troy High School ranks in the top 5% of all schools in California for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 73% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 85% (which is higher than the California state average of 47%).
The student-teacher ratio of 23:1 is higher than the California state level of 21:1.
Minority enrollment is 89% of the student body (majority Asian), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (26-27)
- Grades: 9-12
- Enrollment: 2,504 students
- Student-Teacher Ratio: 23:1
- Minority Enrollment: 89%
- Graduation Rate: 93% (Top 30% in CA)
- Overall Testing Rank: Top 5%
- Math Proficiency: 73% (Top 10%)
- Reading Proficiency: 85% (Top 5%)
- Science Proficiency: 64% (Top 10%)
- Attendance Zone: Troy High serves the southeast part of Fullerton, CA, covering an attendance area of approximately 3.5 square miles. Families in this zone can typically expect a drive of 5 to 10 minutes to the school, with the average distance to the zone's edge being about 1.2 miles and the furthest edge located 2.1 miles away.
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Troy High School ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Troy High School's student population of 2,504 students has stayed relatively flat over five school years.
The teacher population of 108 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
2,504 students
Showing 2015–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
108 teachers
Showing 2014–2025. Full 39-year historical data available below ↓
Year Founded
1964
School Calendar
School Rankings
Troy High School ranks within the top 5% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Troy High School is 0.64, which is more 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
#323 out of 9523 schools
(Top 5%)
(Top 5%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
73%
34%
Showing 2013–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
85%
47%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
64%
29%
Student-Teacher Ratio
23:1
21:1
Showing 2014–2025. Full 39-year historical data available below ↓
Asian
52%
12%
Showing 2015–2025. Full 38-year historical data available below ↓
Hispanic
28%
56%
Showing 2015–2025. Full 38-year historical data available below ↓
Black
1%
5%
Showing 2015–2025. Full 38-year historical data available below ↓
White
11%
20%
Showing 2015–2025. Full 38-year historical data available below ↓
Hawaiian
1%
n/a
Two or more races
7%
6%
Showing 2015–2025. Full 17-year historical data available below ↓
All Ethnic Groups
Showing 2015–2025. Full 38-year historical data available below ↓
Graduation Rate
93%
86.2%
Showing 2014–2023. Full 13-year historical data available below ↓
Chronically Absent Students
(22-23)10.1%
27.7%
Eligible for Free Lunch
27%
54%
Showing 2015–2025. Full 34-year historical data available below ↓
Eligible for Reduced Lunch
12%
8%
Showing 2015–2025. Full 22-year historical data available below ↓
School Statewide Testing
School District Name
Sports
Colors
White, Black, Red
School Mascot
Warriors
Source: National Center for Education Statistics (NCES), CA Dept. of Education
Frequently Asked Questions
What is Troy High School's ranking?
Troy High School is ranked #323 out of 9,523 schools, which ranks it among the top 5% of public schools in California.
What schools are Troy High School often compared to?
Troy High Schoolis often viewed alongside schools like Sunny Hills High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
73% of students have achieved math proficiency (compared to the 34% CA state average), while 85% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Troy High School?
The graduation rate of Troy High School is 93%, which is higher than the California state average of 86.2%.
How many students attend Troy High School?
2,504 students attend Troy High School.
What is the racial composition of the student body?
52% of Troy High School students are Asian, 28% of students are Hispanic, 11% of students are White, 7% of students are Two or more races, 1% of students are Black, and 1% of students are Hawaiian.
What is the student-teacher ratio of Troy High School?
Troy High School has a student ration of 23:1, which is higher than the California state average of 21:1.
What grades does Troy High School offer ?
Troy High School offers enrollment in grades 9-12
What school district is Troy High School part of?
Troy High School is part of Fullerton Joint Union High School District.
School Reviews
5 10/10/2025
incredible school, could not be more happy/proud to go here
5 10/10/2025
troy high school its is always my favorite school because i love the school that i miss because i was graduate of june 15 2006 with all my friends that i know because i don,t hate the school i love it but this year im going back to high school or college which ever one my review for troy high school in fullerton ca that why im the former student of the school i want to say to ms.rickett im sorry i did,t mean to say that i will be back to school again eric sanders love you troy high
1 10/10/2025
Nah, students are too overwhelmed by the amount of work here. It's way too much and it's making students on really bad levels.
Review Troy 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
Is Your Child's School Day Too Structured?
Discover where free time disappears during your child's school day, how to evaluate lunch, recess, and classroom schedules, and what parents can do when breaks become structured activities.
When Your Child's Best Friend Is in Another Class
Discover how to help your child when their best friend is assigned to another classroom, including school placement policies, maintaining friendships, building connections, and knowing when to request help.
Should Your Child Repeat a Grade or Move Ahead?
Before agreeing to grade retention, learn what evidence to request, how to review school policies, explore alternatives, understand parental rights, and secure an effective academic support plan for your child.
