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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

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 metrics
Student Progress6.7Above Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-0.73 pts/yr
Data Period2019–2024
TrendStable
Academics9.8Exceptional25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency74.5%
Reading/ELA Proficiency85.1%
Math vs. State Avg+46.5 pts
Reading vs. State Avg+29.2 pts
Overall Proficiency80%
Expected (poverty-adj.)53%
vs. Expected+27.2 pts
Adjusted Percentile97th
College Readiness10.0Exceptional30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation67.7%
IB ProgramYes
Resources & Environment4.6Below Average20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio23.8:1
Per-Pupil Spending$14,683

Troy High — Students at Troy High score 80% proficient, which is above what's typical for similar communities (expected: 53%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

39.6%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 78.5%
School
State
31.8%
ELA Proficiency 86.6%
School
State
51.5%

Based on 8 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
79%
ELA
87%
2021*
Math
86%
ELA
89%
2024
Math
74.5%
ELA
85.1%

* 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.

Overall Score
8.0/10
86th percentile in CA
Academic
9.8/10
9.8/10
Growth
6.7/10
Above average
Environment
4.6/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
40%
Teaching Staff
24:1 student-teacher ratio
107 teachers

Programs & Offerings

AP/IB Programs IB Programme
67.7% participation·720 IB enrolled·CRDC 2020-21

Data as of 2020-21 · Source: CRDC via Urban Institute · Learn more

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.

11 schools nearby View map →

Neighborhood Context

Walk Score
48 Car-Dependent
Transit Score
38 Some Transit
Bike Score
59 Bikeable
City Safety
High (2,493/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Fullerton). Data >1 year old.

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
Data Year
2023–2024

District

Fullerton Joint Union High
District Enrollment
12,826
Schools in District
8
Per-Pupil Spending
$15,726
District Rank
#4 of 8

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.

Read our full methodology

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