Prospect Mill Elementary School (Ranked Top 10% for 2025-26)

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Prospect Mill Elementary School

101 Prospect Mill Rd
Bel Air, MD 21015

( shown in map)

10/

Top 10%

Serving 592 students in grades Prekindergarten-5, Prospect Mill Elementary School ranks in the top 10% of all schools in Maryland for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).

The percentage of students achieving is 62% (which is higher than the Maryland state average of 27%). The percentage of students achieving is 68% (which is higher than the Maryland state average of 45%).

The student-teacher ratio of 14:1 is equal to the Maryland state level of 14:1.

Minority enrollment is 33% of the student body (majority Black and Asian), which is lower than the Maryland state average of 68% (majority Black).

Quick Facts (2025-26)

Grades: Prekindergarten-5
Enrollment: 592 students
Student-Teacher Ratio: 14:1
Minority Enrollment: 33%
: Top 10% in MD
: 62% (Top 10%)
: 68% (Top 20%)
: 40-44% (Top 50%)
Source: National Center for Education Statistics (NCES), MD Dept. of Education

Top Rankings

Prospect Mill Elementary School ranks among the top 20% of public schools in Maryland for:

School Overview

Prospect Mill Elementary School's student population of 592 students has stayed relatively flat over five school years.

The teacher population of 42 teachers has grown by 20% over five school years.

Grades Offered

Grades Prekindergarten-5
(Supplemental Virtual)

View Data

Distribution of Students By Grade Trends
Grade	Prospect Mill Elementary School
Pre-K	32
Kind	103
1	87
2	91
3	91
4	96
5	92

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Total Students

592 students

View Data

Total Students Trends Over Years (1987-2023)
Year	Prospect Mill Elementary School
2023	587
2022	561
2021	566
2020	565
2019	565
2018	585
2017	585
2016	587
2015	580
2014	558
2013	612
2012	651
2011	902
2010	931
2009	951
2008	980
2007	1,008
2006	976
2005	907
2004	879
2003	911
2002	839
2001	879
2000	861
1999	859
1998	872
1997	863
1996	865
1995	812
1994	736
1993	1,022
1992	946
1991	874
1990	772
1989	658
1988	549
1987	399

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Gender %

Total Classroom Teachers

42 teachers

View Data

Total Classroom Teachers Trends Over Years (1987-2023)
Year	Prospect Mill Elementary School
2023	40
2022	38
2021	37
2020	35
2019	35
2018	36
2017	36
2016	34
2015	35
2014	43
2013	39
2012	40
2011	60
2010	60
2009	59
2008	59
2007	57
2006	50
2005	50
2004	49
2003	51
2002	51
2001	48
2000	47
1999	41
1998	42
1997	45
1996	44
1995	42
1994	39
1993	51
1992	47
1991	42
1990	38
1989	33
1988	34
1987	27

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School Calendar

School Rankings

Prospect Mill Elementary School ranks within the top 10% of all 1,338 schools in Maryland (based off of combined math and reading proficiency testing data).

The of Prospect Mill Elementary School is 0.53, which is less than the diversity score at state average of 0.74. The school's diversity has stayed relatively flat over five school years.

This School

State Level (MD)

#123 out of 1338 schools
(Top 10%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	Prospect Mill Elementary School
2023	#123
2022	#144
2021	#421
2019	#283
2018	#384
2017	#384
2016	#342
2015	#245
2014	#73
2013	#280
2012	#244

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62%

27%

View Data

Math Proficiency Comparison Over Years (2011-2023)
Year	Prospect Mill Elementary School	Maryland	Harford County School District
2023	62%	27%	31%
2022	52%	25%	27%
2021	28%	20%	22%
2019	60%	38%	45%
2017	49%	41%	50%
2016	53%	42%	52%
2015	59%	38%	51%
2014	95%	72%	83%
2013	93%	79%	85%
2012	94%	82%	87%
2011	93%	80%	84%

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68%

45%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2010-2022)
Year	Prospect Mill Elementary School	Maryland	Harford County School District
2022	68%	45%	50%
2021	32%	36%	39%
2019	59%	46%	51%
2017	56%	41%	52%
2016	66%	44%	56%
2015	72%	45%	60%
2014	96%	82%	88%
2013	93%	85%	89%
2012	95%	85%	89%
2011	95%	85%	89%
2010	92%	84%	88%

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40-44%

36%

View Data

Science Proficiency Comparison Over Years (2021-2022)
Year	Prospect Mill Elementary School	Maryland	Harford County School District
2022	42%	36%	38%
2021	62%	41%	49%

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Student-Teacher Ratio

14:1

View Data

Student-Teacher Ratio Comparison Over Years (1987-2023)
Year	Prospect Mill Elementary School	Maryland	Harford County School District
2023	15:1	14:1	14:1
2022	15:1	14:1	15:1
2021	15:1	14:1	15:1
2020	16:1	15:1	15:1
2019	16:1	15:1	15:1
2018	16:1	15:1	15:1
2017	16:1	15:1	15:1
2016	17:1	15:1	14:1
2015	17:1	15:1	14:1
2014	13:1	15:1	14:1
2013	16:1	15:1	14:1
2012	16:1	15:1	14:1
2011	15:1	15:1	14:1
2010	15:1	15:1	14:1
2009	16:1	15:1	14:1
2008	17:1	14:1	14:1
2007	18:1	15:1	15:1
2006	20:1	16:1	16:1
2005	18:1	16:1	17:1
2004	18:1	16:1	18:1
2003	18:1	16:1	16:1
2002	16:1	16:1	16:1
2001	18:1	17:1	17:1
2000	18:1	17:1	16:1
1999	21:1	18:1	18:1
1998	21:1	17:1	17:1
1997	19:1	17:1	17:1
1996	20:1	18:1	17:1
1995	20:1	17:1	17:1
1994	19:1	18:1	17:1
1993	20:1	18:1	17:1
1992	20:1	18:1	18:1
1991	21:1	18:1	18:1
1990	21:1	18:1	17:1
1989	20:1	18:1	17:1
1988	16:1	19:1	18:1
1987	15:1	19:1	18:1

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American Indian

n/a

Asian

View Data

Asian Student Percentage Comparison Over Years (1993-2023)
Year	Prospect Mill Elementary School	Maryland	Harford County School District
2023	7%	7%	3%
2022	8%	7%	3%
2021	7%	7%	4%
2020	6%	7%	4%
2019	6%	7%	4%
2018	5%	7%	3%
2017	5%	7%	3%
2016	6%	7%	3%
2015	7%	7%	4%
2014	7%	6%	3%
2013	6%	6%	4%
2012	7%	7%	4%
2011	5%	6%	3%
2010	5%	7%	3%
2009	5%	6%	3%
2008	5%	6%	3%
2007	6%	6%	3%
2006	6%	5%	3%
2005	5%	5%	2%
2004	5%	5%	3%
2003	5%	5%	3%
2002	5%	5%	3%
2001	4%	5%	3%
2000	2%	4%	2%
1999	4%	4%	2%
1998	4%	4%	2%
1997	3%	4%	2%
1996	3%	4%	2%
1995	3%	4%	2%
1994	3%	4%	2%
1993	2%	4%	2%

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Hispanic

23%

View Data

Hispanic Student Percentage Comparison Over Years (1993-2023)
Year	Prospect Mill Elementary School	Maryland	Harford County School District
2023	6%	22%	9%
2022	6%	21%	9%
2021	9%	20%	8%
2020	7%	18%	7%
2019	7%	18%	7%
2018	10%	17%	7%
2017	10%	17%	7%
2016	8%	16%	6%
2015	6%	15%	6%
2014	7%	14%	6%
2013	7%	13%	6%
2012	6%	12%	5%
2011	4%	12%	5%
2010	3%	10%	4%
2009	3%	10%	4%
2008	3%	9%	3%
2007	3%	8%	3%
2006	3%	8%	3%
2005	3%	7%	3%
2004	2%	6%	3%
2003	2%	6%	2%
2002	2%	5%	2%
2001	1%	5%	2%
2000	1%	4%	2%
1999	1%	4%	2%
1998	1%	4%	2%
1997	1%	4%	2%
1996	1%	3%	2%
1995	1%	3%	2%
1994	1%	3%	1%
1993	1%	3%	1%

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Black

11%

33%

View Data

Black Student Percentage Comparison Over Years (1993-2023)
Year	Prospect Mill Elementary School	Maryland	Harford County School District
2023	10%	33%	21%
2022	8%	33%	21%
2021	9%	34%	20%
2020	10%	34%	20%
2019	10%	34%	20%
2018	8%	34%	19%
2017	8%	34%	19%
2016	9%	34%	19%
2015	7%	34%	18%
2014	8%	35%	18%
2013	10%	35%	18%
2012	10%	35%	18%
2011	8%	36%	18%
2010	7%	38%	20%
2009	7%	38%	20%
2008	8%	38%	20%
2007	6%	38%	19%
2006	6%	38%	18%
2005	5%	38%	17%
2004	3%	38%	16%
2003	3%	37%	16%
2002	2%	37%	15%
2001	2%	37%	14%
2000	1%	37%	14%
1999	2%	37%	13%
1998	2%	36%	13%
1997	2%	35%	13%
1996	2%	35%	12%
1995	2%	34%	12%
1994	2%	34%	12%
1993	3%	33%	11%

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White

67%

32%

View Data

White Student Percentage Comparison Over Years (1993-2023)
Year	Prospect Mill Elementary School	Maryland	Harford County School District
2023	69%	33%	59%
2022	69%	34%	60%
2021	67%	34%	61%
2020	71%	36%	63%
2019	71%	36%	63%
2018	72%	38%	65%
2017	72%	38%	65%
2016	72%	39%	66%
2015	75%	40%	66%
2014	74%	41%	67%
2013	73%	42%	67%
2012	74%	42%	68%
2011	80%	43%	69%
2010	85%	45%	72%
2009	84%	46%	72%
2008	83%	47%	73%
2007	84%	48%	74%
2006	84%	49%	75%
2005	86%	50%	77%
2004	89%	51%	78%
2003	90%	52%	79%
2002	91%	53%	80%
2001	92%	53%	81%
2000	96%	55%	82%
1999	93%	55%	83%
1998	93%	56%	83%
1997	94%	57%	83%
1996	94%	58%	84%
1995	94%	59%	84%
1994	94%	59%	85%
1993	94%	60%	86%

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Hawaiian

n/a

Two or more races

View Data

Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Prospect Mill Elementary School	Maryland	Harford County School District
2023	8%	5%	8%
2022	9%	5%	7%
2021	8%	5%	7%
2020	6%	5%	6%
2019	6%	5%	6%
2018	5%	4%	6%
2017	5%	4%	6%
2016	5%	4%	6%
2015	5%	4%	6%
2014	4%	4%	6%
2013	4%	4%	5%

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All Ethnic Groups

0.53

0.74

View Data

Diversity Score Comparison Over Years (1993-2023)
Year	Prospect Mill Elementary School	Maryland	Harford County School District
2023	0.50	0.73	0.60
2022	0.50	0.73	0.59
2021	0.53	0.73	0.58
2020	0.48	0.72	0.56
2019	0.48	0.72	0.56
2018	0.46	0.72	0.54
2017	0.46	0.72	0.54
2016	0.47	0.71	0.53
2015	0.43	0.70	0.52
2014	0.45	0.69	0.52
2013	0.46	0.69	0.51
2012	0.45	0.69	0.50
2011	0.35	0.67	0.50
2010	0.27	0.65	0.45
2009	0.29	0.64	0.44
2008	0.30	0.63	0.43
2007	0.28	0.62	0.41
2006	0.29	0.61	0.40
2005	0.25	0.60	0.38
2004	0.21	0.60	0.37
2003	0.19	0.59	0.35
2002	0.17	0.58	0.34
2001	0.14	0.58	0.32
2000	0.10	0.56	0.30
1999	0.13	0.56	0.29
1998	0.13	0.56	0.29
1997	0.11	0.56	0.28
1996	0.11	0.55	0.27
1995	0.12	0.54	0.27
1994	0.12	0.54	0.26
1993	0.11	0.54	0.26

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Participates in the

Yes

Eligible for

27%

44%

View Data

Free Lunch Eligibility Comparison Over Years (1991-2023)
Year	Prospect Mill Elementary School	Maryland	Harford County School District
2023	24%	46%	36%
2022	19%	38%	31%
2021	20%	40%	30%
2020	18%	41%	26%
2019	18%	41%	26%
2016	19%	40%	25%
2015	16%	39%	26%
2014	16%	38%	25%
2013	16%	36%	23%
2012	14%	36%	22%
2011	12%	33%	22%
2010	11%	31%	20%
2009	8%	27%	17%
2008	8%	26%	15%
2007	6%	25%	14%
2006	6%	25%	14%
2005	4%	25%	14%
2004	4%	24%	13%
2003	4%	24%	13%
2002	4%	23%	12%
2001	3%	23%	11%
2000	3%	24%	11%
1999	4%	25%	13%
1998	4%	26%	13%
1997	4%	26%	13%
1996	3%	26%	12%
1995	4%	26%	13%
1994	6%	25%	12%
1993	3%	21%	9%
1992	3%	21%	10%
1991	3%	18%	8%

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Eligible for

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2001-2023)
Year	Prospect Mill Elementary School	Maryland	Harford County School District
2023	4%	4%	3%
2022	4%	4%	5%
2021	3%	5%	4%
2020	6%	6%	6%
2019	6%	6%	6%
2016	4%	5%	5%
2015	4%	6%	5%
2014	5%	6%	5%
2013	4%	6%	5%
2012	6%	6%	5%
2011	4%	7%	6%
2010	3%	7%	6%
2009	3%	8%	6%
2008	3%	8%	6%
2007	3%	7%	5%
2006	2%	7%	6%
2005	2%	7%	5%
2004	2%	7%	5%
2003	1%	7%	5%
2002	1%	7%	5%
2001	1%	7%	4%

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School Statewide Testing

School District Name

Harford County School District

Source: National Center for Education Statistics (NCES), MD Dept. of Education

Profile last updated: 02/09/2025

Frequently Asked Questions

What is Prospect Mill Elementary School's ranking?

Prospect Mill Elementary School is ranked #123 out of 1,338 schools, which ranks it among the top 10% of public schools in Maryland.

What schools are Prospect Mill Elementary School often compared to?

Prospect Mill Elementary Schoolis often viewed alongside schools like Bel Air Elementary School, C. Milton Wright High School by visitors of our site.

What percent of students have achieved state testing proficiency in math and reading?

62% of students have achieved math proficiency (compared to the 27% MD state average), while 68% of students have achieved reading proficiency (compared to the 45% MD state average).

How many students attend Prospect Mill Elementary School?

592 students attend Prospect Mill Elementary School.

What is the racial composition of the student body?

67% of Prospect Mill Elementary School students are White, 11% of students are Black, 9% of students are Two or more races, 7% of students are Asian, and 6% of students are Hispanic.

What is the student-teacher ratio of Prospect Mill Elementary School?

Prospect Mill Elementary School has a student ration of 14:1, which is equal to the Maryland state average of 14:1.

What grades does Prospect Mill Elementary School offer ?

Prospect Mill Elementary School offers enrollment in grades Prekindergarten-5 (Supplemental Virtual).

What school district is Prospect Mill Elementary School part of?

Prospect Mill Elementary School is part of Harford County School District.

School Reviews

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Quick Facts (2025-26)

Grades: Prekindergarten-5
Enrollment: 592 students
Student-Teacher Ratio: 14:1
Minority Enrollment: 33%
: Top 10%
: 62% (Top 10%)
: 68% (Top 20%)
: 40-44% (Top 50%)
Source: National Center for Education Statistics (NCES), MD Dept. of Education