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Welcome to the Col. Zadok Magruder High community. What's one thing that would make Col. Zadok Magruder High even better?
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Enrollment
1,671
High
DISTRICT 2,003 · STATE 1,185
SCHOOL COMMUNITY·MONTGOMERY COUNTY PUBLIC SCHOOLS·NCES 240048000808
Col. Zadok Magruder High
5939 Muncaster Mill Rd, Rockville, MD 20855 · (240) 740-5550 · Montgomery County
GRADES 09–12HIGH21-SUBURBTITLE IREGULAR SCHOOL1,671 STUDENTS
B-
allk12 Grade
Scored higher than 52% of Maryland public high schools
- B-Test 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
15.4:1
109 FTE teachers
DISTRICT 15.8:1 · STATE 15.3:1
Free / Reduced Lunch
48%
805 students
DISTRICT 40% · 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 | 492 | 29% |
| Grade 10 | 415 | 25% |
| Grade 11 | 417 | 25% |
| Grade 12 | 347 | 21% |
Student demographics
71%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 75% · 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
61.6%
MD avg 50.6% . +1.2pp since 2023
Math
10.0%
MD avg 34.8% . +0.0pp since 2023
What this means: On the MCAP, Maryland's statewide test, about 62 of every 100 students at this school read and write at grade level and about 10 of 100 do math at grade level. Across all Maryland schools, those numbers are about 51 and 35. Reading and writing scores are up about 1 points since 2023, while math scores have held steady.
MCAP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 61.6% | 10.0% |
| 2023-24 | 60.4% | 10.0% |
% 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
35.5%
composite math + reading, all grades
Predicted
45.7%
based on MD schools with similar FRL share
Beats by
-10.2pp
below demographic expectation
What this means: About 36% of students here test proficient in math and reading, compared with the roughly 46% 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 Col. Zadok Magruder High
Col. Zadok Magruder High's state test result (35.5% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Col. Zadok Magruder High this school | 1,671 | 48.2% | 35.5% |
| Rockville High Rockville | 1,550 | 46.7% | 37.6% |
| Albert Einstein High Kensington | 1,991 | 42.4% | 35.7% |
| Tuscarora High Frederick | 1,735 | 48.7% | 31.5% |
| Seneca Valley High Germantown | 2,409 | 49.2% | 32.3% |
| James Hubert Blake High Silver Spring | 1,960 | 53.7% | 30.9% |
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 Col. Zadok Magruder High ranks
Among high schools| Measure | This school | In Maryland | In Montgomery County |
|---|---|---|---|
| State test proficiency ranked highest first | 35.5% | #103 of 203 | #16 of 25 |
| Math proficiency ranked highest first | 10.0% | #177 of 206 ▼ 9 | #16 of 25 ▼ 3 |
| Reading proficiency ranked highest first | 61.6% | #95 of 206 ▼ 6 | #16 of 25 ▼ 2 |
| Enrollment ranked largest first | 1,671 | #59 of 234 | #20 of 26 |
| Students per teacher ranked fewest first | 15.4:1 | #63 of 210 | #8 of 25 |
| Diversity index ranked most diverse first | 71.1% | #28 of 211 | #9 of 25 |
| Free and reduced lunch ranked highest share first | 48.2% | #116 of 212 | #10 of 25 |
| Enrollment change since 2017-18 ranked fastest growth first | +3.3% | #111 of 131 | #14 of 18 |
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
1,671
+65 (+4%) vs 2020
+25% since 1990-91, when it was 1,335
Student : Teacher
15.4:1
was 15.9:1
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 | 1,671 | 108.8 | 15.4:1 | 48% (805) |
| 2023-24 | 1,622 | 106.2 | 15.3:1 | 45% (738) |
| 2022-23 | 1,686 | 109.4 | 15.4:1 | 51% (865) |
| 2020-21 | 1,606 | 101 | 15.9:1 | 40% (636) |
| 2017-18 | 1,617 | 99.6 | 16.2:1 | 35% (572) |
| 2015-16 | 1,513 | 85 | 17.8:1 | 34% (511) |
| 2010-11 | 1,823 | 111 | 16.4:1 | 30% (543) |
| 2000-01 | 1,907 | 102 | 18.7:1 | 10% (199) |
| 1990-91 | 1,335 | 80 | 16.7:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Col. Zadok Magruder High.
Since 2017-18: students up 3% (1,617 to 1,671); teachers up 9% (99.6 to 108.8).
About Col. Zadok Magruder High
Col. Zadok Magruder High is a medium-sized high school in Rockville, Maryland, (ZIP code 20855). The latest federal count shows 1,671 students in grades 9 through 12. Against the 1,185-student average for high schools in Maryland, enrollment here is 41% higher.
Montgomery County Public Schools, which runs Col. Zadok Magruder High, has 208 schools and 159,181 students.
Col. Zadok Magruder High's enrollment has no majority group, and Hispanic students are the largest at 44%. After that, the student body is 21% White, 19% Black, 12% Asian, and 4% multiracial. Among all residents of Montgomery County, the Hispanic share is about 21%. Col. Zadok Magruder High has a diversity index of 71%, compared with 70% for all US public school students.
Teachers at the school number 108.8 full-time equivalents, and the ratio is 15.4:1. Across high schools in Maryland, the average ratio is about 15.3:1. The lunch program counts 48% of students at Col. Zadok Magruder High as eligible for free or reduced-price meals.
Measured against Maryland public high schools, Col. Zadok Magruder High receives a B-. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.
The model predicts 45.7% for a school in Maryland with Col. Zadok Magruder High's free or reduced-price lunch share. Col. Zadok Magruder High posts 35.5%.
Census estimates describe Montgomery County this way: median household income is about $132,450, about 61% of adults have at least a bachelor's degree, and the poverty rate is about 5%. Federal data list 211 public schools in Montgomery County, with a combined enrollment of about 159,181.
The closest public school to Col. Zadok Magruder High is Sequoyah Elementary, about 0.6 miles away. Other public schools within five miles number at least 8. Nearby schools with test data average 52.0% proficiency; Col. Zadok Magruder High posts 35.5%.
Locale data from NCES put Col. Zadok Magruder High in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more (Suburb: Large).
The 2024-25 enrollment of 1,671 was 4% higher than in 2020-21, when it was 1,606.
Discussions about Col. Zadok Magruder High may include school safety, transportation, and start times. Alumni can share how the school prepared them.
Montgomery County at a glance
View full county profilePopulation
1,065,949
Census ACS
Median income
$132,450
Household, ACS
Bachelor's+
61%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
211
159,181 students
Quick facts
Related schools
Other schools in Montgomery County Public Schools
- Montgomery Blair HighHigh · 3,266 students
- Walter Johnson HighHigh · 3,016 students
- Wheaton HighHigh · 2,794 students
- Gaithersburg HighHigh · 2,441 students
- Seneca Valley HighHigh · 2,409 students
- Bethesda-Chevy Chase HighHigh · 2,377 students
Other schools in Rockville
- Richard Montgomery HighHigh · 2,366 students
- Thomas S. Wootton HighHigh · 1,870 students
- Northwood HighHigh · 1,654 students
- Rockville HighHigh · 1,550 students
- Julius West MiddleMiddle · 1,365 students
- Parkland MiddleMiddle · 1,185 students
Nearby schools
- Sequoyah Elementary0.6 mi · 460
- Redland Middle1.0 mi · 562
- Candlewood Elementary1.5 mi · 358
- Cashell Elementary1.8 mi · 386
- Mill Creek Towne Elementary2.2 mi · 528
- Flower Valley Elementary2.2 mi · 524
Frequently asked questions
About Col. Zadok Magruder HighHow large is Col. Zadok Magruder High?
Col. Zadok Magruder High enrolls approximately 1,671 students in grades 09-12.
What grades does Col. Zadok Magruder High serve?
Col. Zadok Magruder High serves grades 09-12.
What is the student-teacher ratio at Col. Zadok Magruder High?
The student-to-teacher ratio at Col. Zadok Magruder High is approximately 15.4:1 (109 FTE teachers).
How diverse is Col. Zadok Magruder High?
Col. Zadok Magruder High reports a student body of 21% White, 44% Hispanic, 19% Black, 12% Asian, 4% Two or more.
Who oversees Col. Zadok Magruder High?
Col. Zadok Magruder High is overseen by Montgomery County Public Schools in Montgomery County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.