Great Mills High (St. Mary's County Public Schools SCH DIST.), Maryland - School Profile in 2023-2024 School Year

Updated on August 8, 2025.

Great Mills High is a High in Great Mills, MD. It currently serves 1748 students (grades 09-12). The school is part of the St. Mary's 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 St. Mary's County Public Schools School District and all schools in Maryland.

Other Details

School Type: Regular School

School Level: High

Number of Students:1748

Number of Teachers: 91

Student/Teacher Ratio: 19.27

Location Info

Location: 21130 Great Mills Rd, Great Mills, MD 20634

Mailing Address: 21130 Great Mills Rd, Great Mills, MD 20634

Phone: (301)863-4001

Website:

Data Source: NCES.

Student Population Per Grade

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Grade	Population
Grade 10	455
Grade 11	416
Grade 12	347
Grade 9	530

Gender/Sex of Great Mills High Student Population

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Gender	Population	Percent of Population (%)
Male	887	50.74
Female	861	49.26

Race/Ethnicity Demography of Great Mills High Student Population

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Race/Ethnicity	Population	Percent of Population (%)
American Indian or Alaska Native	6	0.34
Asian	58	3.32
Black or African American	655	37.47
Hispanic/Latino	243	13.90
Native Hawaiian or Other Pacific Islander	2	0.11
Two or more races	183	10.47
White	601	34.38

Male - Race/Ethnicity Demography of Student Population

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Race/Ethnicity	Population	Percent of Population (%)
American Indian or Alaska Native	4	0.45
Asian	27	3.04
Black or African American	341	38.44
Hispanic/Latino	119	13.42
Native Hawaiian or Other Pacific Islander	1	0.11
Two or more races	94	10.60
White	301	33.94

Female - Race/Ethnicity Demography of Student Population

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Race/Ethnicity	Population	Percent of Population (%)
American Indian or Alaska Native	2	0.23
Asian	31	3.60
Black or African American	314	36.47
Hispanic/Latino	124	14.40
Native Hawaiian or Other Pacific Islander	1	0.12
Two or more races	89	10.34
White	300	34.84

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 (%)
American Indian or Alaska Native	1	0.22
Asian	13	2.86
Black or African American	170	37.36
Hispanic/Latino	57	12.53
Native Hawaiian or Other Pacific Islander	1	0.22
Two or more races	45	9.89
White	168	36.92

Grade 11 - Race/Ethnicity of Both Genders

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Race/Ethnicity	Population	Percent of Population (%)
Asian	10	2.40
Black or African American	161	38.70
Hispanic/Latino	63	15.14
Two or more races	39	9.38
White	143	34.38

Grade 12 - Race/Ethnicity of Both Genders

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Race/Ethnicity	Population	Percent of Population (%)
American Indian or Alaska Native	2	0.58
Asian	16	4.61
Black or African American	115	33.14
Hispanic/Latino	49	14.12
Native Hawaiian or Other Pacific Islander	1	0.29
Two or more races	34	9.80
White	130	37.46

Grade 9 - Race/Ethnicity of Both Genders

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Race/Ethnicity	Population	Percent of Population (%)
American Indian or Alaska Native	3	0.57
Asian	19	3.59
Black or African American	209	39.43
Hispanic/Latino	74	13.96
Two or more races	65	12.26
White	160	30.19