Average
#621 of 1,363 schools in MD
Top 46% in state
Oakland Mills High
High School · Howard County Public Schools
9410 Kilimanjaro Rd, Columbia, MD 21045
Enrollment
1,422
Student-Teacher
13.2:1
Score
6.6
Grades
9th – 12th
Enrollment
1,422
Student-Teacher
13.2:1
Score
6.6
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Maryland schools
#621 of 1,363
In Columbia
#15 of 23
public schools
In district
#63 of 76
Howard County Public Schools
School environment
7.1 / 10
Very Good
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Oakland Mills High
High School in Columbia · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Oakland Mills Middle
0.2 mi away. Use as a geographic alternative in the same move search.
Talbott Springs Elementary
0.4 mi away. Use as a geographic alternative in the same move search.
About Oakland Mills High
Oakland Mills High is a public high school in Columbia, MD, part of Howard County Public Schools. Oakland Mills High serves approximately 1,422 students, and covers grades 9th-12th, and has a 13.2:1 student-teacher ratio. Oakland Mills High has a current MySchoolScout rating of 6.6 out of 10 and ranks #621 of 1,363 schools in MD.
Structured state assessment records for Oakland Mills High show 68% math proficiency (multi-year average, 2009-2025) and 70% reading/ELA proficiency (multi-year average, 2009-2025).
- This school 6.6 · Average
- District avg 7.5
- MD avg 6.1
What Parents Should Know
36% of students at Oakland Mills High were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Oakland Mills High — Students at Oakland Mills High score 35% proficient, which is below what's typical for similar communities (expected: 43%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
44.7%
Students qualifying for federal meal assistance
Test Scores MD MCAP (2024-25)
Based on 28 test records from MD state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 6.1/10.
How Oakland Mills High Compares
See how Oakland Mills High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
9410 Kilimanjaro Rd, Columbia, MD 21045
Nearby Alternatives
Families considering Oakland Mills High may also want to explore other high schools in the area. Howard High (rated 8.0/10, 1.9 miles away, in nearby Ellicott City), which scores notably higher. Another option is FUSION COLUMBIA (rated 6.9/10, 1.1 miles away), which scores slightly higher. Additionally, Wilde Lake High (rated 6.3/10, 1.9 miles away), with a very similar rating. For more schools in Columbia, see our Columbia schools guide .
Nearby Schools
20 within 1.9 mi| School | Distance | Rating |
|---|---|---|
| Oakland Mills Middle Columbia | 0.2 mi | 7.3 |
| Talbott Springs Elementary Columbia | 0.4 mi | 7.3 |
| NURTURING NEST MONTESSORI SCHOOL Columbia | 0.4 mi | — |
| Stevens Forest Elementary Columbia | 0.4 mi | 7.8 |
| JULIA BROWN SCHOOL Columbia | 0.7 mi | — |
| Jeffers Hill Elementary Columbia | 0.7 mi | 7.0 |
| Cradlerock Elementary Columbia | 1.2 mi | 5.8 |
| Lake Elkhorn Middle Columbia | 1.2 mi | 7.4 |
| FUSION COLUMBIA Columbia | 1.1 mi | 6.9 |
| Thunder Hill Elementary Columbia | 1.4 mi | 6.6 |
| THE MANDALA SCHOOL INC Columbia | 1.3 mi | — |
| Phelps Luck Elementary Columbia | 1.5 mi | 7.6 |
| Running Brook Elementary Columbia | 1.7 mi | 5.5 |
| Long Reach High Columbia | 1.5 mi | 6.1 |
| BRYANT WOODS MONTESSORI CHILDRENS HOUSE Columbia | 1.7 mi | — |
| Bryant Woods Elementary Columbia | 1.7 mi | 6.7 |
| Howard High Ellicott City | 1.9 mi | 8.0 |
| Atholton Elementary Columbia | 2.0 mi | 8.2 |
| ATHOLTON ADVENTIST ACADEMY Columbia | 2.0 mi | 7.0 |
| Wilde Lake High Columbia | 1.9 mi | 6.3 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 21045 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$117,323
Median Home Value
$438,500
Median Rent
$1,768/mo
Population
40,866
College Educated
57.4%
Homeownership
69%
Avg Commute
28 min
Poverty Rate
8.4%
Median Age
38.4
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Havre de Grace High Havre De Grace, MD | 6.6 |
| Kent Island High School Stevensville, MD | 6.6 |
| Arundel High Gambrills, MD | 6.5 |
| Dulaney High Timonium, MD | 6.5 |
| Frederick Douglass High Upper Marlboro, MD | 6.5 |
| Oxon Hill High Oxon Hill, MD | 6.5 |
Frequently Asked Questions
Common questions about Oakland Mills High
What grades does Oakland Mills High serve?
Oakland Mills High serves students in grades 9th through 12th.
How many students attend Oakland Mills High?
Oakland Mills High has an enrollment of approximately 1,422 students.
What is the student-teacher ratio at Oakland Mills High?
The student-teacher ratio at Oakland Mills High is 13.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Oakland Mills High rank in MD?
Oakland Mills High ranks #621 of 1,363 schools in MD.
What is Oakland Mills High's MySchoolScout rating?
Oakland Mills High has a current MySchoolScout rating of 6.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Oakland Mills High?
Based on loaded state assessment records, Oakland Mills High has 68% math proficiency (multi-year average, 2009-2025) and 70% reading/ELA proficiency (multi-year average, 2009-2025).
Is Oakland Mills High a charter school?
No, Oakland Mills High is not a charter school. It is a traditional public school operated by the local school district.
Is Oakland Mills High a Title I school?
No, Oakland Mills High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Oakland Mills High?
44.7% of students at Oakland Mills 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.
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Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 1,422
- Student-Teacher Ratio
- 13.2:1
- Teachers (FTE)
- 108
- Free/Reduced Lunch
- 44.7%
- Type
- regular
- Setting
- Midsize City
- County
- Howard County
- Chronic Absenteeism (SY 2022-23)
- 35.9%
- Phone
- (410) 313-6945
- 4-Year Graduation
- 90.0%
Resources & Links
District
Howard County Public Schools- District Enrollment
- 57,633
- Schools in District
- 78
- Per-Pupil Spending
- $19,256
- District Rank
- #63 of 76
Other Schools in This District
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