Troy High
🇺🇸 Official data · 2025Fullerton, California 92831 · Fullerton Joint Union High
#83 of 1,343 high schools in California
#2658 of 16,910 nationally
About Troy High
Troy High is a public high located in Fullerton, in the Fullerton Joint Union High school district of California, United States. It caters for Grades 9–12. In 2025 it enrolled 2,504 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 72.7 out of 100, placing it in the top 25% of high schools in United States and 83rd of 1,343 ranked high schools in California. Its strongest component is reading proficiency (92th percentile), and its weakest is students per teacher (8th percentile).
Other published figures: enrollment 2,504.
There are 24 schools in Fullerton; Troy High ranks 5th of 24 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)79%
- Reading proficiency (30%)87%
- Community advantage (fewer free/reduced-price lunch) (25%)39.7%
- Students per teacher (15%)23.2
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Troy High by the official sources.
- Enrollment
- 2,504
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 39.7%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 23.2
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 87%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 79%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Troy High
Closest schools by straight-line distance, with their Success Index (US).
Acacia Elementary
Fullerton · Public elementary · Grades K–6
661 students · 351 m away
Ladera Vista Junior High School of the Arts
Fullerton · Public middle · Grades 7–8
820 students · 1.0 km away
Commonwealth Elementary
Fullerton · Public elementary · Grades K–6
268 students · 1.2 km away
Raymond Elementary
Fullerton · Public elementary · Grades K–6
598 students · 1.4 km away
Ruby Drive Elementary
Placentia · Public elementary · Grades K–6
373 students · 1.9 km away
Topaz Elementary
Fullerton · Public elementary · Grades K–6
404 students · 2.3 km away
Rolling Hills Elementary
Fullerton · Public elementary · Grades K–6
554 students · 2.5 km away
Valencia High
Placentia · Public high · Grades 9–12
2,411 students · 2.5 km away
Sierra Vista Elementary
Placentia · Public elementary · Grades K–6
454 students · 2.5 km away
Fullerton Union High
Fullerton · Public high · Grades 9–12
1,880 students · 2.6 km away
Similar schools
Public high schools in California with a comparable Enrollment.
Santa Ana High
Santa Ana · Public high · Grades 9–12
2,505 students
San Leandro High
San Leandro · Public high · Grades 9–12
2,510 students
Montclair High
Montclair · Public high · Grades 9–12
2,515 students
Redwood High
Visalia · Public high · Grades 9–12
2,490 students
Paloma Valley High
Menifee · Public high · Grades 9–12
2,487 students
Bullard High
Fresno · Public high · Grades 9–12
2,485 students
Frequently asked questions
Is Troy High a good school?
Troy High has a Success Index (US) of 72.7 out of 100 (Top 25% of high schools in United States) and ranks #83 of 1,343 in California. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Troy High rank in California?
Troy High ranks #83 of 1,343 high schools in California and #2658 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Troy High?
Troy High had 2,504 students in 2025.
Is Troy High a elementary school or a high school?
Troy High is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Troy High?
There are 10 schools within 15 km of Troy High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.