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Very Good

#3223 of 9,533 schools in CA

Top 34% in state

Mark Keppel High

High School · Alhambra Unified

501 East Hellman Ave., Alhambra, CA 91801

Enrollment

2,178

Student-Teacher

26.9:1

Score

7.0

Grades

9th – 12th

Updated 2022-23

How this school compares

In Alhambra

#8 of 11

public schools

California high schools

#599 of 1,892

In district

#13 of 16

Alhambra Unified

Equity

9.3 / 10

Exceptional

About Mark Keppel High

Mark Keppel High serves 2,178 students in grades 9-12 in Alhambra, California, earning a strong 7.4 out of 10 MySchoolScout rating. The school ranks in the 79th percentile statewide, placing #2014 among California's 9,566 schools, with particularly impressive academic performance reflected in its 8.7 academic score. Students demonstrate solid achievement across core subjects, with 73% reaching proficiency or above in English Language Arts and 54% meeting standards in mathematics.

The school maintains a student-teacher ratio of 26.9:1 with 81 full-time equivalent teachers supporting the diverse student body. Mark Keppel High draws families from an established suburban community where the median household income reaches $81,580 and home values average $761,100. The surrounding neighborhood reflects a well-educated population, with 40% of residents holding bachelor's degrees or higher, while maintaining a relatively low poverty rate of 10.8%.

Located at 501 East Hellman Avenue, the school serves as an educational cornerstone in this large suburban area of Los Angeles County, where over 53,000 residents value academic achievement and community stability.

What's said publicly about Mark Keppel High

Sources: School's website Wikipedia

Synthesized from public, attributable sources. Updated May 2026.

Mark Keppel High School is a four-year institution located in Alhambra, California, within the Alhambra Unified School District 2 . The school serves students from portions of Alhambra and Monterey Park 2 . It holds the designation of California Distinguished School 2 . Mark Keppel High School has been accredited by the Western Association of Schools and Colleges, with initial accreditation occurring in 1965 and the most recent evaluation in 2020 2 . The Alhambra Unified School District, which oversees the school, approved calendars for the 2026-2027 and 2027-2028 school years in January 2026 1 . The district also offers dual immersion language programs and is seeking members for its Citizens’ Oversight Committee regarding Measure HS and Measure AE bond programs 1 .
Sources (2)
  1. www.ausd.us
  2. en.wikipedia.org
Generated by AI from public sources. Every claim is grounded in a cited source. Report inaccuracy

What Parents Should Know

Mark Keppel High is a large school with 2,178 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 Mark Keppel High is 26.9:1, 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 Progress5.0Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-1.48 pts/yr
Data Period2019–2024
TrendDeclining
Academics9.2Exceptional25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency54.4%
Reading/ELA Proficiency72.8%
Math vs. State Avg+26.4 pts
Reading vs. State Avg+16.9 pts
Overall Proficiency64%
Expected (poverty-adj.)46%
vs. Expected+17.8 pts
Adjusted Percentile88th
College Readiness9.0Exceptional30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation30.7%
IB ProgramNo
Resources & Environment3.7Fair20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio26.9:1
Per-Pupil Spending$16,983

Mark Keppel High — Students at Mark Keppel High score 64% proficient, which is above what's typical for similar communities (expected: 46%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

51.5%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 59.3%
School
State
31.8%
ELA Proficiency 72.8%
School
State
51.5%

Based on 6 test records from CA state assessments. About our data

Proficiency Trend

↓ Declining

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

2019
Math
69%
ELA
73%
2024
Math
54.4%
ELA
72.8%

Source: EdFacts (NCES) and state assessment data. Growth score: 5.0/10.

How Mark Keppel High Compares

See how Mark Keppel High performs across key quality dimensions compared to state benchmarks.

Overall Score
7.0/10
66th percentile in CA
Academic
9.2/10
9.2/10
Growth
5.0/10
Above average
Environment
3.7/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
52%
Teaching Staff
27:1 student-teacher ratio
81 teachers

Location

501 East Hellman Ave., Alhambra, CA 91801

Nearby Alternatives

Families considering Mark Keppel High may also want to explore other high schools in the area. Duff Language Magnet Academy (rated 9.3/10, 1.0 miles away, in nearby Rosemead), which scores notably higher. Another option is Garvey (Richard) Intermediate (rated 8.9/10, 0.9 miles away, in nearby Rosemead), which scores notably higher. Additionally, Ynez Elementary (rated 7.4/10, 1.0 miles away, in nearby Monterey Park), which scores slightly higher. For more schools in Alhambra, see our Alhambra schools guide .

Nearby Schools

20 within 1.3 mi
School Distance Rating
ESTHER'S NEST CHILDREN'S SCHOOL Monterey Park 0.5 mi
GRACE GARDEN PRESCHOOL Alhambra 0.7 mi
Emerson (Ralph Waldo) Elementary Rosemead 0.7 mi 4.6
Ramona Elementary Alhambra 0.8 mi 7.0
Martha Baldwin Elementary Alhambra 1.0 mi 7.2
Alpha Shen Kindergarten Monterey Park 0.8 mi
ALPHA-SHEN PRESCHOOL & KINDERGARTEN Monterey Park 0.8 mi
Bitely (Arlene) Elementary Rosemead 0.9 mi 6.0
Garvey (Richard) Intermediate Rosemead 0.9 mi 8.9
Monterey Vista Elementary Monterey Park 1.1 mi 6.7
EMMAUS LUTHERAN SCHOOL Alhambra 1.1 mi 6.8
Emmaus Lutheran Alhambra 1.1 mi
Ynez Elementary Monterey Park 1.0 mi 7.4
Happy DAy School Inc. Monterey Park 1.0 mi
Duff Language Magnet Academy Rosemead 1.0 mi 9.3
McKinley Elementary San Gabriel 1.2 mi 6.1
Lily's Garden Preschool and Kindergarten Alhambra 1.3 mi
LILY'S GARDEN PRESCHOOL AND KINDERGARTEN Alhambra 1.3 mi 4.1
Repetto Elementary Monterey Park 1.4 mi 7.2
Ramona Convent Secondary School Alhambra 1.3 mi

Neighborhood Census ACS (2019-2023)

Census data for ZIP 91801 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$85,549

Median Home Value

$797,000

Median Rent

$1,879/mo

Population

53,730

College Educated

40.6%

Homeownership

37.7%

Avg Commute

30.7 min

Poverty Rate

11.5%

Median Age

41.7

Community Profile

The community surrounding Mark Keppel High has a median household income of $85,549. It is a well-educated community where 41% of adults hold a bachelor's degree or higher. The median home value in the area is $797,000, with a median rent of $1,879/month. The area has a poverty rate of 11.5%. The average commute for residents is 31 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
Andrew P. Hill High San Jose, CA 7.0
Antelope Valley High Lancaster, CA 7.0
Arcadia High Arcadia, CA 7.0
Arroyo High San Lorenzo, CA 7.0
Bell Gardens High Bell Gardens, CA 7.0
Cajon High San Bernardino, CA 7.0

Frequently Asked Questions

Common questions about Mark Keppel High

What grades does Mark Keppel High serve?

Mark Keppel High serves students in grades 9th through 12th.

How many students attend Mark Keppel High?

Mark Keppel High has an enrollment of approximately 2,178 students.

What is the student-teacher ratio at Mark Keppel High?

The student-teacher ratio at Mark Keppel High is 26.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Mark Keppel High rank in CA?

Mark Keppel High is ranked #3223 out of 9,533 schools in CA.

What is Mark Keppel High's MySchoolScout rating?

Mark Keppel High has a composite rating of 7.0 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 Mark Keppel High?

Based on the most recent state assessment data, Mark Keppel High has 59.3% math proficiency and 72.8% reading/ELA proficiency.

Is Mark Keppel High a charter school?

No, Mark Keppel High is not a charter school. It is a traditional public school operated by the local school district.

Is Mark Keppel High a Title I school?

No, Mark Keppel High is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Mark Keppel High?

51.5% of students at Mark Keppel 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
56 Somewhat Walkable
Bike Score
45 Somewhat Bikeable
City Safety
High (2,681/100K)

Powered by Walk Score

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

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
2,178
Student-Teacher Ratio
26.9:1
Teachers (FTE)
81
Free/Reduced Lunch
51.5%
Type
regular
Setting
Large Suburb
County
Los Angeles County
Data Year
2023–2024

District

Alhambra Unified
District Enrollment
14,602
Schools in District
16
Per-Pupil Spending
$20,015
District Rank
#13 of 16

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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