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
Enrollment
2,178
Student-Teacher
26.9:1
Score
7.0
Grades
9th – 12th
Updated
2022-23
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
Synthesized from public, attributable sources. Updated May 2026.
Sources (2)
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
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Mark Keppel High — Students at Mark Keppel High score 64% proficient, which is above what's typical for similar communities (expected: 46%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
51.5%
Students qualifying for federal meal assistance
Test Scores CA CAASPP (2023-24)
Based on 6 test records from CA state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
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.
Funding & Resources
Performance Trends
Math proficiency has declined from 69% (2019) to 54.41% (2024). Reading/ELA proficiency has remained stable from 73% (2019) to 72.76% (2024).
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.
Explore More Schools
Neighborhood Context
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
- Phone
- (626) 943-6710
- Data Year
- 2023–2024
Resources & Links
District
Alhambra Unified- District Enrollment
- 14,602
- Schools in District
- 16
- Per-Pupil Spending
- $20,015
- District Rank
- #13 of 16
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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