Excellent
#1322 of 9,533 schools in CA
Top 14% in state
Troy High
High School · Fullerton Joint Union High
2200 East Dorothy Ln., Fullerton, CA 92831
Enrollment
2,545
Student-Teacher
23.8:1
Score
8.0
Grades
9th – 12th
Enrollment
2,545
Student-Teacher
23.8:1
Score
8.0
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Fullerton
#4 of 25
public schools
California high schools
#221 of 1,892
In district
#4 of 8
Fullerton Joint Union High
Equity
9.9 / 10
Exceptional
About Troy High
Troy High serves 2,545 students in grades 9-12 in Fullerton, California, earning recognition as one of the state's top-performing public high schools. With a MySchoolScout rating of 8.6 out of 10 and ranking in the 95th percentile statewide at #440 out of 9,566 California schools, Troy High demonstrates exceptional academic achievement. The school's 107 full-time equivalent teachers maintain a student-teacher ratio of 23.8:1 while delivering impressive results.
Students excel across core subjects, with 85% achieving proficiency or above in English Language Arts and Reading, and 75% meeting or exceeding standards in Mathematics. These strong performance indicators reflect the school's commitment to academic excellence and effective instruction. Troy High draws from a diverse community where 45% of residents hold bachelor's degrees or higher, and the median household income reaches $85,220.
The surrounding neighborhood features a median home value of $746,800, though 18.1% of residents face economic challenges, highlighting the school's success in serving students from varied backgrounds. Located on East Dorothy Lane in Orange County's large suburban setting, Troy High operates within a community of 36,470 residents who value educational achievement and support their local schools.
What Parents Should Know
Troy High is a large school with 2,545 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.
The student-teacher ratio at Troy High is 23.8:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Troy High — Students at Troy High score 80% proficient, which is above what's typical for similar communities (expected: 53%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
39.6%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 8 test records from CA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 6.7/10.
How Troy High Compares
See how Troy High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2020-21 · Source: CRDC via Urban Institute · Learn more
Performance Trends
Math proficiency has declined from 79% (2019) to 74.53% (2024). Reading/ELA proficiency has remained stable from 87% (2019) to 85.13% (2024).
Location
2200 East Dorothy Ln., Fullerton, CA 92831
Nearby Alternatives
Families considering Troy High may also want to explore other high schools in the area. Valencia High (rated 8.4/10, 1.5 miles away, in nearby Placentia), which scores slightly higher. Another option is La Sierra High (Alternative) (rated 8.2/10, 0.3 miles away), with a very similar rating. Additionally, Fullerton Union High (rated 7.6/10, 1.6 miles away), with a comparable rating. For more schools in Fullerton, see our Fullerton schools guide .
Nearby Schools
20 within 1.6 mi| School | Distance | Rating |
|---|---|---|
| Acacia Elementary Fullerton | 0.2 mi | 6.7 |
| St. Juliana Falconieri Fullerton | 0.2 mi | — |
| ST JULIANA FALCONIERI SCHOOL Fullerton | 0.3 mi | 7.1 |
| La Vista High (Continuation) Fullerton | 0.3 mi | 6.6 |
| La Sierra High (Alternative) Fullerton | 0.3 mi | 8.2 |
| ROSARY ACADEMY Fullerton | 0.3 mi | 6.0 |
| Rosary Academy Fullerton | 0.4 mi | — |
| Ivy Crest Montessori Private School Fullerton | 0.4 mi | — |
| IVYCREST MONTESSORI PRIVATE SCHOOL - CHAPMAN Fullerton | 0.4 mi | 8.2 |
| Ladera Vista Junior High School of the Arts Fullerton | 0.6 mi | 7.5 |
| Commonwealth Elementary Fullerton | 0.8 mi | 5.8 |
| Raymond Elementary Fullerton | 0.8 mi | 7.7 |
| Ruby Drive Elementary Placentia | 1.2 mi | 6.7 |
| Rolling Hills Elementary Fullerton | 1.5 mi | 4.4 |
| ST JOSEPH ELEMENTARY SCHOOL Placentia | 1.4 mi | 7.3 |
| Topaz Elementary Placentia | 1.4 mi | 6.9 |
| Sierra Vista Elementary Placentia | 1.5 mi | 6.1 |
| Sapolu Destined Academy Anaheim | 1.7 mi | — |
| Valencia High Placentia | 1.5 mi | 8.4 |
| Fullerton Union High Fullerton | 1.6 mi | 7.6 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 92831 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$89,451
Median Home Value
$821,300
Median Rent
$2,093/mo
Population
35,831
College Educated
44.4%
Homeownership
40.4%
Avg Commute
27.1 min
Poverty Rate
16.1%
Median Age
31.7
Community Profile
The community surrounding Troy High has a median household income of $89,451. It is a well-educated community where 44% of adults hold a bachelor's degree or higher. The median home value in the area is $821,300, with a median rent of $2,093/month. The area has a poverty rate of 16.1%. The average commute for residents is 27 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Gahr (Richard) High Cerritos, CA | 8.0 |
| Granada High Livermore, CA | 8.0 |
| La Canada High La Canada, CA | 8.0 |
| La Quinta High Westminster, CA | 8.0 |
| Lemoore High Lemoore, CA | 8.0 |
| Lowell High San Francisco, CA | 8.0 |
Frequently Asked Questions
Common questions about Troy High
What grades does Troy High serve?
Troy High serves students in grades 9th through 12th.
How many students attend Troy High?
Troy High has an enrollment of approximately 2,545 students.
What is the student-teacher ratio at Troy High?
The student-teacher ratio at Troy High is 23.8:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Troy High rank in CA?
Troy High is ranked #1322 out of 9,533 schools in CA.
What is Troy High's MySchoolScout rating?
Troy High has a composite rating of 8.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Troy High?
Based on the most recent state assessment data, Troy High has 78.5% math proficiency and 86.6% reading/ELA proficiency.
Is Troy High a charter school?
No, Troy High is not a charter school. It is a traditional public school operated by the local school district.
Is Troy High a Title I school?
No, Troy High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Troy High?
39.6% of students at Troy High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 2,545
- Student-Teacher Ratio
- 23.8:1
- Teachers (FTE)
- 107
- Free/Reduced Lunch
- 39.6%
- Type
- regular
- Setting
- Large Suburb
- County
- Orange County
- Phone
- (714) 626-4401
- Data Year
- 2023–2024
Resources & Links
District
Fullerton Joint Union High- District Enrollment
- 12,826
- Schools in District
- 8
- Per-Pupil Spending
- $15,726
- District Rank
- #4 of 8
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
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