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How has Mount Hebron High changed in the last five years, for better or worse?
Community prompt from u/allk12. Replies below.
Enrollment
1,455
High
DISTRICT 1,313 · STATE 1,185
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
A
allk12 Grade
Scored higher than 85% of Maryland public high schools
- ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Maryland public high schools
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
5
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 330 | 23% |
| Grade 10 | 325 | 22% |
| Grade 11 | 399 | 27% |
| Grade 12 | 401 | 28% |
Student demographics
71%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 77% · STATE 73% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
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
What this means: On the MCAP, Maryland's statewide test, about 77 of every 100 students at this school read and write at grade level and about 21 of 100 do math at grade level. Across all Maryland schools, those numbers are about 51 and 35. Reading and writing scores are down about 3 points since 2023, while math scores are down about 8 points.
MCAP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 77.2% | 20.9% |
| 2023-24 | 80.6% | 28.5% |
% Proficient (Levels 3-4), all students and all tested grades.
Source: MCAP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
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
What this means: About 52% of students here test proficient in math and reading, compared with the roughly 63% typical for Maryland schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Maryland's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Mount Hebron High
Mount Hebron High's state test result (51.8% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Mount Hebron High this school | 1,455 | 19.2% | 51.8% |
| Centennial High Ellicott City | 1,377 | 18.5% | 53.6% |
| Poolesville High Poolesville | 1,351 | 12.1% | 53.8% |
| Thomas S. Wootton High Rockville | 1,870 | 13.4% | 48.5% |
| Howard High Ellicott City | 1,493 | 20.2% | 47.5% |
| Eastern Technical High School Baltimore | 1,330 | 23.1% | 83.0% |
Matched among Maryland high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Mount Hebron High ranks
Among high schools| Measure | This school | In Maryland | In Howard County |
|---|---|---|---|
| State test proficiency ranked highest first | 51.8% | #21 of 203 | #5 of 13 |
| Math proficiency ranked highest first | 20.9% | #35 of 206 ▼ 18 | #2 of 13 ▲ 1 |
| Reading proficiency ranked highest first | 77.2% | #40 of 206 ▼ 18 | #7 of 13 ▼ 2 |
| Enrollment ranked largest first | 1,455 | #83 of 234 | #5 of 14 |
| Students per teacher ranked fewest first | 15.6:1 | #78 of 210 | #7 of 13 |
| Diversity index ranked most diverse first | 70.9% | #33 of 211 | #9 of 13 |
| Free and reduced lunch ranked highest share first | 19.2% | #194 of 212 | #10 of 14 |
| Enrollment change since 2017-18 ranked steepest decline first | -7.1% | #36 of 76 | #5 of 6 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
1,455
-180 (-11%) vs 2020
+35% since 1990-91, when it was 1,075
Student : Teacher
15.6:1
was 15.7:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 1,455 | 93.2 | 15.6:1 | 19% (279) |
| 2023-24 | 1,518 | 102 | 14.9:1 | 19% (290) |
| 2022-23 | 1,621 | 106.4 | 15.2:1 | 18% (296) |
| 2020-21 | 1,635 | 104 | 15.7:1 | 11% (183) |
| 2017-18 | 1,566 | 110.5 | 14.2:1 | 10% (164) |
| 2015-16 | 1,517 | 100 | 15.2:1 | 15% (220) |
| 2010-11 | 1,476 | 100 | 14.8:1 | 11% (166) |
| 2000-01 | 1,483 | 88 | 16.9:1 | 5% (78) |
| 1990-91 | 1,075 | 57 | 18.9:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Mount Hebron High.
Since 2017-18: students down 7% (1,566 to 1,455); teachers down 16% (110.5 to 93.2).
About Mount Hebron High
Mount Hebron High is a medium-sized high school that serves part of Ellicott City, Maryland. The school counts 1,455 students across grades 9 through 12. The school's enrollment is 23% bigger than the 1,185 average for high schools in Maryland.
Mount Hebron High is one school in Howard County Public Schools, a system of 77 schools with 57,565 students.
White students are the largest group at Mount Hebron High, with 37% of enrollment. The remaining shares are 35% Asian, 14% Black, 10% Hispanic, and 4% multiracial. Howard County as a whole is about 47% White, so the school's share is lower. The chance that two students picked at random at Mount Hebron High belong to different racial or ethnic groups, known as the diversity index, is 71%.
With 93.2 full-time-equivalent teachers in 2024-25, the ratio at Mount Hebron High was 15.6:1. Across high schools in Maryland, the average ratio is about 15.3:1. A measure often used for student poverty, free or reduced-price lunch eligibility, stands at 19%. Public schools in Howard County average 27%.
allk12 grades Mount Hebron High an A. The grade compares the school only with Maryland public high schools, because each state gives its own test.
On BeatsExpectations, Mount Hebron High is 11.1 points below its prediction, a result in the middle 80% of Maryland schools.
Across Howard County, median household income is about $149,763, about 65% of adults have at least a bachelor's degree, and the poverty rate is about 4%. Mount Hebron High is among the 78 public schools in Howard County.
Of nearby public schools, St. Johns Lane Elementary is the closest, at about 0.7 miles. Inside a five-mile radius, there are at least 8 other public schools. Nearby schools with test data average 65.5% proficiency; Mount Hebron High posts 51.8%.
Federal data place Mount Hebron High in the Suburb: Large locale, which means it is in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
The number of students declined from 1,635 to 1,455 over 4 years.
Conversations here can range across science fairs, picture day, and bus routes. Posting is open to anyone connected to the school.
Howard County at a glance
View full county profilePopulation
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
Related schools
Other schools in Howard County Public Schools
- Marriotts Ridge HighHigh · 1,741 students
- Reservoir HighHigh · 1,597 students
- Atholton HighHigh · 1,540 students
- Howard HighHigh · 1,493 students
- Oakland Mills HighHigh · 1,413 students
- River Hill HighHigh · 1,383 students
Other schools in Ellicott City
- Howard HighHigh · 1,493 students
- Centennial HighHigh · 1,377 students
- Veterans ElementaryElementary · 883 students
- Waverly ElementaryElementary · 827 students
- Bellows Spring ElementaryElementary · 806 students
- Burleigh Manor MiddleMiddle · 777 students
Nearby schools
- St. Johns Lane Elementary0.7 mi · 636
- Hollifield Station Elementary1.2 mi · 677
- Patapsco Middle1.2 mi · 670
- Waverly Elementary1.6 mi · 827
- Centennial Lane Elementary2.6 mi · 749
- Dunloggin Middle3.0 mi · 623
Frequently asked questions
About Mount Hebron HighHow 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.