Average
#765 of 1,363 schools in MD
Oakland Mills High
High School · Howard County Public Schools
9410 Kilimanjaro Rd, Columbia, MD 21045
Enrollment
1,422
Student-Teacher
13.2:1
Score
6.1
Grades
9th – 12th
Enrollment
1,422
Student-Teacher
13.2:1
Score
6.1
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Columbia
#17 of 23
public schools
Maryland high schools
#33 of 226
In district
#51 of 76
Howard County Public Schools
School environment
8.1 / 10
Very strong
About Oakland Mills High
Oakland Mills High serves 1,422 students in grades 9-12 in Columbia, Maryland, offering a comprehensive high school experience with a favorable 13.2:1 student-teacher ratio and 108 full-time equivalent teachers. The school earns a solid 7.0 out of 10 rating from MySchoolScout and ranks #291 out of 1,364 Maryland high schools, placing it in the 79th percentile statewide. Academically, Oakland Mills High demonstrates strong performance in English Language Arts, with 67% of students achieving proficiency or above across grade levels.
Mathematics presents an area with room for growth, as 26% of students currently meet proficiency standards. The school's overall academic score of 7.4 out of 10 reflects its commitment to student achievement and educational excellence. The school serves a well-established community in Howard County, where families benefit from strong economic stability with a median household income of $115,134 and median home values of $420,400.
The ZIP code 21045 is home to 40,980 residents, with 58% holding bachelor's degrees or higher and a low poverty rate of 8.2%. Oakland Mills High is situated in Columbia's mid-size city environment, providing students with both suburban amenities and educational opportunities in one of Maryland's most desirable communities.
Score Breakdown
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Oakland Mills High — Students at Oakland Mills High score 36% proficient, which is below what's typical for similar communities (expected: 46%).
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 8 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: 3.2/10.
How Oakland Mills High Compares
See how Oakland Mills High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 47% (2019) to 7.6% (2025). Reading/ELA proficiency has improved from 45% (2019) to 63.7% (2025).
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. FUSION COLUMBIA (rated 6.9/10, 1.1 miles away), which scores slightly higher. Another option is Long Reach High (rated 6.1/10, 1.5 miles away), with a very similar rating. Additionally, Wilde Lake High (rated 5.8/10, 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 | 7.4 |
| Talbott Springs Elementary Columbia | 0.4 mi | 7.2 |
| NURTURING NEST MONTESSORI SCHOOL Columbia | 0.4 mi | — |
| Stevens Forest Elementary Columbia | 0.4 mi | 8.9 |
| JULIA BROWN SCHOOL Columbia | 0.7 mi | — |
| Jeffers Hill Elementary Columbia | 0.7 mi | 6.5 |
| Cradlerock Elementary Columbia | 1.2 mi | 7.7 |
| Lake Elkhorn Middle Columbia | 1.2 mi | 5.4 |
| FUSION COLUMBIA Columbia | 1.1 mi | 6.9 |
| Thunder Hill Elementary Columbia | 1.4 mi | 6.0 |
| THE MANDALA SCHOOL INC Columbia | 1.3 mi | — |
| Phelps Luck Elementary Columbia | 1.5 mi | 8.7 |
| Running Brook Elementary Columbia | 1.7 mi | 6.2 |
| 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 | 8.3 |
| Howard High Ellicott City | 1.9 mi | 5.7 |
| Atholton Elementary Columbia | 2.0 mi | 7.4 |
| ATHOLTON ADVENTIST ACADEMY Columbia | 2.0 mi | 7.0 |
| Wilde Lake High Columbia | 1.9 mi | 5.8 |
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
Community Profile
The community surrounding Oakland Mills High has a median household income of $117,323. It is a well-educated community where 57% of adults hold a bachelor's degree or higher. The median home value in the area is $438,500, with a median rent of $1,768/month. The local poverty rate of 8.4% is relatively low. The average commute for residents is 28 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 |
|---|---|
| Chesapeake High Baltimore, MD | 6.1 |
| Long Reach High Columbia, MD | 6.1 |
| Parkside High Salisbury, MD | 6.1 |
| Queen Anne's County High School Centreville, MD | 6.1 |
| Baltimore Polytechnic Institute Baltimore, MD | 6.0 |
| Fallston High Fallston, MD | 6.0 |
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 is ranked #765 out of 1,363 schools in MD.
What is Oakland Mills High's MySchoolScout rating?
Oakland Mills High has a composite rating of 6.1 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 Oakland Mills High?
Based on the most recent state assessment data, Oakland Mills High has 30.7% math proficiency and 59.9% reading/ELA proficiency.
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
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FBI UCR. County-level only.
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
- Phone
- (410) 313-6945
- Data Year
- 2023–2024
Resources & Links
District
Howard County Public Schools- District Enrollment
- 57,633
- Schools in District
- 78
- Per-Pupil Spending
- $19,256
- District Rank
- #51 of 76
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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