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SCHOOL COMMUNITY·HOWARD COUNTY PUBLIC SCHOOLS·NCES 240042000743

Mount Hebron High

9440 Old Frederick Road, Ellicott City, MD 21042 · (410) 313-2880 · Howard County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL1,455 STUDENTS
Enrollment
1,455
High
DISTRICT 1,313 · STATE 1,185
Student : Teacher
15.6:1
93 FTE teachers
DISTRICT 14.7:1 · STATE 15.3:1
Free / Reduced Lunch
19%
279 students
DISTRICT 29% · STATE 54%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 9
330
Grade 10
325
Grade 11
399
Grade 12
401
Student demographics
White
54337%
DISTRICT 29% · STATE 31%
Hispanic
14210%
DISTRICT 14% · STATE 24%
Black
19714%
DISTRICT 25% · STATE 32%
Asian
50635%
DISTRICT 24% · STATE 7%
Two+
544%
DISTRICT 7% · STATE 5%
Native American
50%
DISTRICT 0% · STATE 0%
Pacific Islander
30%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
76152%
Female
68947%

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Test scores

MCAP 2024-25 . % Proficient (Levels 3-4)
English Language Arts
77.2%
MD avg 50.6% . -3.4pp since 2023
Math
20.9%
MD avg 34.8% . -7.6pp since 2023
Source: MCAP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
51.8%
composite math + reading, all grades
Predicted
62.9%
based on MD schools with similar FRL share
Beats by
-11.1pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
1,455
-111 (-7%) vs 2017
Student : Teacher
15.6:1
was 14.2:1
% White
37%
was 44%
% Hispanic
10%
was 8%
% Black
14%
was 13%
% Asian
35%
was 30%
Source: NCES Common Core of Data

About Mount Hebron High

Mount Hebron High is one of the moderately sized senior highs in Ellicott City, Maryland, operated by Howard County Public Schools, with 1,455 students on its rolls from grades 9 through 12. Enrollment runs roughly 23% larger than the state mean of about 1,185.

Across the 77 schools in Howard County Public Schools (57,565 students total), Mount Hebron High accounts for its share of the district's footprint.

For racial and ethnic makeup, Mount Hebron High logs that 37% of students identify as White, with the remaining enrollment distributed across several groups. The remainder consists of 35% Asian, 14% Black, 10% Hispanic, 4% multiracial. The wider county runs roughly 47% White, putting the school's mix considerably less White than the area baseline.

Looking at the economic backdrop, The school reports having 93 full-time-equivalent teachers, for a student-teacher ratio near 15.6:1. That tracks the state average closely. An estimated 19% of students are eligible for free or reduced-price lunch, often used as a Title I proxy. By comparison, Howard County runs at roughly 27%, so the school's eligibility rate is below the surrounding baseline.

Adjusting for the school's free-and-reduced-lunch share, Mount Hebron High performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 62.9%, the actual is 51.8%, a residual of -11.1 points.

Around the school, the surrounding county (Howard County) logs that median household income runs about $149,763, roughly 65% of adults have completed at least a four-year degree, and roughly 4% of residents live below the federal poverty line. Mount Hebron High is one of 78 public schools in Howard County (combined enrollment of about 57,565 students).

The closest other public school is St. Johns Lane Elementary, roughly 0.7 miles away. Within five miles, there are 8 other public schools. Among the 9 schools in that immediate cluster with test data (this one included), Mount Hebron High ranks 9th on composite proficiency, below the local average of 65.5%.

The school occupies an outer-ring site.

Trend over the last 7 years. Over the past 7-year window, the student count contracted 7%: 1,566 students in 2018 compared to 1,455 in 2025. White enrollment moved from 44% to 37% across the same window. Class-load math has grew: from 14.2:1 in 2018 to 15.6:1 in 2025.

On the community side, members of the Mount Hebron High community share and discuss open house dates, ride-share offers, and field-trip permission slips. Posting is open to anyone connected to the school.

Howard County at a glance

View full county profile
Population
336,328
Census ACS
Median income
$149,763
Household, ACS
Bachelor's+
65%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
78
57,565 students

Quick facts

School name
Mount Hebron High
District
Howard County Public Schools
Address
9440 Old Frederick Road, Ellicott City, MD 21042
Phone
(410) 313-2880
County
Howard County
Level
High
Grade range
09–12
Total enrollment
1,455
Teachers (FTE)
93
Student–teacher ratio
15.6:1
Free/Reduced lunch
279 (19%)
Locale
21-Suburb: Large
NCES ID
240042000743
Charter school
No
Virtual school
No

Related schools

Other schools in Howard County Public Schools
Other schools in Ellicott City
Nearby schools

Frequently asked questions

About Mount Hebron High
How large is Mount Hebron High?
Mount Hebron High enrolls approximately 1,455 students in grades 09-12.
Is Mount Hebron High an elementary, middle, or high school?
Mount Hebron High is a high school covering grades 09-12.
How many teachers does Mount Hebron High have?
Mount Hebron High employs 93 FTE teachers, for a student-to-teacher ratio of 15.6:1.
What is the student diversity at Mount Hebron High?
Student demographics at Mount Hebron High are roughly 37% White, 10% Hispanic, 14% Black, 35% Asian, 4% Two or more.
Is Mount Hebron High public or private?
Mount Hebron High is a public K-12 school, overseen by Howard County Public Schools.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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