Patterson Mill High School (Harford County Public Schools SCH DIST.), Maryland - School Profile in 2023-2024 School Year

Updated on August 8, 2025.

Patterson Mill High School is a High in Bel Air, MD. It currently serves 826 students (grades 09-12). The school is part of the Harford County Public Schools School District.

Below, we provide details about the school including the population per grade, the racial demography of the student population, the racial demography of the student population per gender/sex, and the racial demography per grade level.

You can see similar information for other schools in Harford County Public Schools School District and all schools in Maryland.

Other Details

School Type: Regular School

School Level: High

Number of Students:826

Number of Teachers: 52

Student/Teacher Ratio: 16.01

Location Info

Location: 85 Patterson Mill Rd, Bel Air, MD 21015

Mailing Address: 85 Patterson Mill Rd, Bel Air, MD 21015

Phone: (410)638-4640

Website:

Data Source: NCES.

Student Population Per Grade

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Grade	Population
Grade 10	213
Grade 11	174
Grade 12	215
Grade 9	224

Gender/Sex of Patterson Mill High School Student Population

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Gender	Population	Percent of Population (%)
Male	420	50.85
Female	406	49.15

Race/Ethnicity Demography of Patterson Mill High School Student Population

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Race/Ethnicity	Population	Percent of Population (%)
American Indian or Alaska Native	3	0.36
Asian	61	7.39
Black or African American	75	9.08
Hispanic/Latino	80	9.69
Native Hawaiian or Other Pacific Islander	3	0.36
Two or more races	58	7.02
White	546	66.10

Male - Race/Ethnicity Demography of Student Population

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Race/Ethnicity	Population	Percent of Population (%)
Asian	33	7.86
Black or African American	38	9.05
Hispanic/Latino	39	9.29
Two or more races	38	9.05
White	272	64.76

Female - Race/Ethnicity Demography of Student Population

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Race/Ethnicity	Population	Percent of Population (%)
American Indian or Alaska Native	3	0.74
Asian	28	6.90
Black or African American	37	9.11
Hispanic/Latino	41	10.10
Native Hawaiian or Other Pacific Islander	3	0.74
Two or more races	20	4.93
White	274	67.49

Race Demography Per Grade

The tables below shows the Race/Ethnicity of the student population per grade.

Grade 10 - Race/Ethnicity of Both Genders

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Race/Ethnicity	Population	Percent of Population (%)
Asian	18	8.45
Black or African American	22	10.33
Hispanic/Latino	22	10.33
Native Hawaiian or Other Pacific Islander	2	0.94
Two or more races	11	5.16
White	138	64.79

Grade 11 - Race/Ethnicity of Both Genders

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Race/Ethnicity	Population	Percent of Population (%)
Asian	14	8.05
Black or African American	13	7.47
Hispanic/Latino	18	10.35
Two or more races	16	9.20
White	113	64.94

Grade 12 - Race/Ethnicity of Both Genders

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Race/Ethnicity	Population	Percent of Population (%)
Asian	16	7.44
Black or African American	26	12.09
Hispanic/Latino	14	6.51
Native Hawaiian or Other Pacific Islander	1	0.47
Two or more races	18	8.37
White	140	65.12

Grade 9 - Race/Ethnicity of Both Genders

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Race/Ethnicity	Population	Percent of Population (%)
American Indian or Alaska Native	3	1.34
Asian	13	5.80
Black or African American	14	6.25
Hispanic/Latino	26	11.61
Two or more races	13	5.80
White	155	69.20