Very Good
#265 of 1,363 schools in MD
Top 19% in state
Prospect Mill Elementary
Elementary School · Harford County Public Schools
101 Prospect Mill Rd, Bel Air, MD 21015
Enrollment
592
Student-Teacher
14.4:1
Score
7.9
Grades
Pre-K – 5th
Enrollment
592
Student-Teacher
14.4:1
Score
7.9
Grades
Pre-K – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Bel Air
#4 of 16
public schools
Maryland elementary schools
#258 of 882
In district
#13 of 55
Harford County Public Schools
Equity
9.1 / 10
Exceptional
About Prospect Mill Elementary
Prospect Mill Elementary serves 592 students in prekindergarten through fifth grade in Bel Air, Maryland, earning recognition as one of the top-performing elementary schools in Harford County. With a student-teacher ratio of 14.4:1 and 41 full-time equivalent teachers, the school provides a supportive learning environment that has helped it achieve a MySchoolScout rating of 7.7 out of 10. The school demonstrates strong academic performance, ranking 93rd out of 1,364 elementary schools statewide, placing it in the 93rd percentile.
Students show solid achievement in reading and language arts, with 68% scoring proficient or above across grade levels. In mathematics, 52% of students meet or exceed proficiency standards, indicating steady progress in foundational math skills. Prospect Mill Elementary draws from an affluent community where the median household income reaches $135,454 and 52% of residents hold bachelor's degrees or higher.
The low poverty rate of 3.5% reflects the economic stability of the area, with median home values around $410,300 in the 21015 zip code. The school sits in a rural setting near town, offering students a peaceful learning environment that combines small-town charm with access to educational resources and community support.
What Parents Should Know
Located in a rural area, Prospect Mill Elementary may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.
Score Breakdown
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Prospect Mill Elementary — Students at Prospect Mill Elementary score 65% proficient, which is above what's typical for similar communities (expected: 56%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
29.1%
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
→ StableAverage 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: 8.3/10.
How Prospect Mill Elementary Compares
See how Prospect Mill Elementary performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 60% (2019) to 52.1% (2025). Reading/ELA proficiency has improved from 59% (2019) to 78.3% (2025).
Location
101 Prospect Mill Rd, Bel Air, MD 21015
Nearby Alternatives
Families considering Prospect Mill Elementary may also want to explore other elementary schools in the area. Fountain Green Elementary (rated 8.6/10, 1.2 miles away), which scores slightly higher. Another option is Churchville Elementary (rated 8.2/10, 2.5 miles away, in nearby Churchville), with a very similar rating. Additionally, Homestead/Wakefield Elementary (rated 8.1/10, 3.4 miles away), with a very similar rating. For more schools in Bel Air, see our Bel Air schools guide .
Nearby Schools
20 within 4.2 mi| School | Distance | Rating |
|---|---|---|
| Harford Academy at Campus Hills Bel Air | 0.3 mi | 4.0 |
| Harford Technical High Bel Air | 0.3 mi | 4.9 |
| Fountain Green Elementary Bel Air | 1.2 mi | 8.6 |
| THE MONARCH MONTESSORI SCHOOL Churchville | 1.3 mi | — |
| C. Milton Wright High Bel Air | 2.0 mi | 5.2 |
| Southampton Middle Bel Air | 2.3 mi | 6.9 |
| JOHN CARROLL SCHOOL Bel Air | 2.5 mi | 5.1 |
| Churchville Elementary Churchville | 2.5 mi | 8.2 |
| BRIDGES MONTESSORI OF TOWSON, INC. Bel Air | 3.1 mi | 6.1 |
| HARFORD DAY SCHOOL Bel Air | 2.9 mi | 7.1 |
| Ring Factory Elementary Bel Air | 3.6 mi | 7.7 |
| Homestead/Wakefield Elementary Bel Air | 3.4 mi | 8.1 |
| ST MARGARET SCHOOL Bel Air | 3.2 mi | 3.8 |
| Patterson Mill High School Bel Air | 3.8 mi | 5.4 |
| Patterson Mill Middle School Bel Air | 3.8 mi | 5.3 |
| Bel Air Middle Bel Air | 3.4 mi | 6.2 |
| Bel Air Elementary Bel Air | 3.3 mi | 7.0 |
| Hickory Elementary Bel Air | 3.4 mi | 7.8 |
| Bel Air High Bel Air | 3.4 mi | 5.6 |
| THE HIGHLANDS SCHOOL Bel Air | 4.2 mi | 6.3 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 21015 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$137,219
Median Home Value
$418,400
Median Rent
$1,730/mo
Population
30,451
College Educated
52.2%
Homeownership
90.5%
Avg Commute
32.9 min
Poverty Rate
4.8%
Median Age
40.3
Community Profile
The community surrounding Prospect Mill Elementary has a median household income of $137,219. It is a well-educated community where 52% of adults hold a bachelor's degree or higher. The median home value in the area is $418,400, with a median rent of $1,730/month. The local poverty rate of 4.8% is relatively low. The average commute for residents is 33 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 |
|---|---|
| Arnold Elementary Arnold, MD | 7.9 |
| Barack Obama Elementary Upper Marlboro, MD | 7.9 |
| Church Creek Elementary Belcamp, MD | 7.9 |
| Clarksburg Elementary Clarksburg, MD | 7.9 |
| Commodore John Rodgers Elementary/Middle Baltimore, MD | 7.9 |
| Edgewater Elementary Edgewater, MD | 7.9 |
Frequently Asked Questions
Common questions about Prospect Mill Elementary
What grades does Prospect Mill Elementary serve?
Prospect Mill Elementary serves students in grades Pre-K through 5th.
How many students attend Prospect Mill Elementary?
Prospect Mill Elementary has an enrollment of approximately 592 students.
What is the student-teacher ratio at Prospect Mill Elementary?
The student-teacher ratio at Prospect Mill Elementary is 14.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Prospect Mill Elementary rank in MD?
Prospect Mill Elementary is ranked #265 out of 1,363 schools in MD.
What is Prospect Mill Elementary's MySchoolScout rating?
Prospect Mill Elementary has a composite rating of 7.9 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 Prospect Mill Elementary?
Based on the most recent state assessment data, Prospect Mill Elementary has 48.0% math proficiency and 59.3% reading/ELA proficiency.
Is Prospect Mill Elementary a charter school?
No, Prospect Mill Elementary is not a charter school. It is a traditional public school operated by the local school district.
Is Prospect Mill Elementary a Title I school?
No, Prospect Mill Elementary is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Prospect Mill Elementary?
29.1% of students at Prospect Mill Elementary qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (Bel Air). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Pre-K – 5th
- Enrollment
- 592
- Student-Teacher Ratio
- 14.4:1
- Teachers (FTE)
- 41
- Free/Reduced Lunch
- 29.1%
- Type
- regular
- Setting
- Fringe Rural
- County
- Harford County
- Phone
- (410) 638-3817
- Data Year
- 2023–2024
Resources & Links
District
Harford County Public Schools- District Enrollment
- 38,105
- Schools in District
- 55
- Per-Pupil Spending
- $17,493
- District Rank
- #13 of 55
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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