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Excellent

#472 of 9,539 schools in CA

Top 5% in state

Troy High

High School · Fullerton Joint Union High · Fullerton, CA

A Fullerton Joint Union High high school where students score 28 points above what's typical for similar communities.

2200 East Dorothy Ln., Fullerton, CA 92831

  • Math 75% vs CA 32% (2024)
  • Reading 85% vs CA 52% (2024)
  • 94.0% 4-year graduation

Academics

Full Profile · 4/4 metrics
Student Progress8.2Excellent25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data14
Annual Change-0.71 pts/yr
Data Period2009–2024
TrendStable
Academics9.8Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency74.5% (2024 CAASPP)
Reading/ELA Proficiency85.1% (2024 CAASPP)
Math vs. State Avg+46.5 pts
Reading vs. State Avg+29.2 pts
Overall Proficiency80% (2024 CAASPP, Math+ELA)
Expected (poverty-adj.)52% (model expectation from 2024 CAASPP)
vs. Expected+27.8 pts
Adjusted Percentile97th
College Readiness10.0Excellent30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate94%
AP Participation67.7%
IB ProgramYes
Resources & Environment6.6Average20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio23.8:1
District spending per student$15,726
Chronic Absenteeism9.9%

Students at Troy High score 80% proficient, which is above what's typical for similar communities (expected: 52%).

How we calculate scores →

2024 CAASPP proficiency

Most recent published year. School vs. CA average.

Math Proficiency75%(2024 CAASPP)
School
State
32%(2024 CAASPP)
ELA Proficiency85%(2024 CAASPP)
School
State
52%(2024 CAASPP)

Trend

→ Steady

Proficiency is down 8 points across the 16-year record (2009–2024) and has held near 80% recently.

Show all 14 years
2009
Math
88%
ELA
87%
2010
Math
91%
ELA
90%
2011
Math
92%
ELA
90%
2012
Math
92%
ELA
92%
2013
Math
93%
ELA
92%
2014
Math
78%
ELA
89%
2015
Math
75%
ELA
85%
2016
Math
77%
ELA
86%
2017
Math
75%
ELA
84%
2018
Math
79%
ELA
87%
2019
Math
79%
ELA
87%
2020*
Math
86%
ELA
89%
2021*
Math
86%
ELA
89%
2024
Math
75%
ELA
85%

Multi-year averages used by the rating model: math 83% (multi-year average, 2009-2024) · reading/ELA 88% (multi-year average, 2009-2024)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 30 test records from CA state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

39.6%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Troy High sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Los Angeles map →

Getting around & local context

  • Walk 48Car-Dependent
  • Transit 38Some Transit
  • Bike 59Bikeable
  • City Safety: High2,493/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Fullerton), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$89,451

Median home value

$821,300

Median rent

$2,093/mo

College educated

44.4%

Homeownership

40.4%

Poverty rate

16.1%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 92831; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

AP/IB Programs4AP courses offeredIB Programme
67.7% participation·State avg: 2.6 AP courses·720 IB enrolled·CRDC via Urban Institute · SY 2021–22
Athletics25sports offered
14 boys'·11 girls'·50 teams (incl. JV)·CRDC via Urban Institute · SY 2021–22
Advanced STEM Courses5of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
La Sierra High (alternative)Enrollment path unverified6.19–120.3 mi262Compare →
La Vista High (continuation)Enrollment path unverified6.09–120.3 mi307Compare →
Rosary AcademyPrivate · tuition6.0private9–120.3 mi465Compare →
Rosary AcademyPrivate · tuitionNot rated9–120.4 mi462Compare →

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Fullerton Joint Union High

Schools in district
8
Rank in district
#1 of 8
District spending per student
$15,726NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
10.5%Census SAIPE · 2024

Troy High is listed in Fullerton Joint Union High; a district label does not verify attendance for an address.

About Troy High

Troy High is a public high school in Fullerton, CA, part of Fullerton Joint Union High, serving approximately 2,545 students in grades 9th-12th with a 23.8:1 student-teacher ratio. It holds a MySchoolScout rating of 8.8 out of 10 and ranks #472 of 9,539 schools in CA. State assessment records show 83% math proficiency (multi-year average, 2009-2024) and 88% reading/ELA proficiency (multi-year average, 2009-2024).

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 ranks #472 of 9,539 schools in CA.

What is Troy High's MySchoolScout rating?

Troy High has a current MySchoolScout rating of 8.8 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Troy High?

Based on loaded state assessment records, Troy High has 83% math proficiency (multi-year average, 2009-2024) and 88% reading/ELA proficiency (multi-year average, 2009-2024).

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.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
9th – 12th
Enrollment
2,545
Student-Teacher Ratio
23.8:1
Teachers (FTE)
107
Type
regular
Setting
Large Suburb
County
Orange County
Chronic Absenteeism (SY 2022-23)
9.9%
4-Year Graduation
94.0%
Area population (ZIP 92831)
35,831
Area average commute
27.1 min
Area median age
31.7
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2024 CAASPP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2024 CAASPP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 92831; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024; directory SY 2023–24

About our data · How we calculate scores

Related reading

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