Old Mill High School

600 Patriot Ln
Millersville, MD 21108
(School attendance zone shown in map)
9/
10
Top 20%
Serving 2,394 students in grades 9-12, Old Mill High School ranks in the top 20% of all schools in Maryland for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%) .
The percentage of students achieving proficiency in math is 38% (which is higher than the Maryland state average of 20%). The percentage of students achieving proficiency in reading/language arts is 62% (which is higher than the Maryland state average of 36%).
The student:teacher ratio of 17:1 is higher than the Maryland state level of 14:1.
Minority enrollment is 64% of the student body (majority Black), which is lower than the Maryland state average of 66% (majority Black).

Quick Stats (2024)

  • School Type: Magnet School
  • Grades: 9-12
  • Enrollment: 2,394 students
  • Student:Teacher Ratio: 17:1
  • Minority Enrollment: 64%
  • : 94% (Top 30% in MD)
  • : Top 20%
  • : 38% (Top 20%)
  • : 62% (Top 10%)
  • Source: National Center for Education Statistics (NCES), MD Dept. of Education

Top Rankings

Old Mill High School ranks among the top 20% of public schools in Maryland for:

School Overview

Old Mill High School's student population of 2,394 students has grown by 8% over five school years.
The teacher population of 142 teachers has grown by 5% over five school years.
School Type
Grades Offered
Grades 9-12
(offers virtual instruction)
Total Students
2,394 students
This chart display total students of Old Mill High School by year, with the latest 2021-22 school year data.
Gender %
This chart display gender of Old Mill High School
Total Classroom Teachers
142 teachers
This chart display the total teachers of Old Mill High School by year, with the latest 2021-22 school year data.
Students by Grade
This chart display the students of Old Mill High School by grade.

School Rankings

Old Mill High School ranks within the top 20% of all 1,343 schools in Maryland (based off of combined math and reading proficiency testing data).
The diversity score of Old Mill High School is 0.71, which is less than the diversity score at state average of 0.73. The school's diversity has stayed relatively flat over five school years.
Definition of Terms 2021-2022 School Year Data
This School
State Level (MD)
#146 out of 1343 schools
(Top 20%)
This chart display the overall school rank of Old Mill High School, with the latest 2020-21 school year data.
38%
20%
This chart display the percentage of students that scored at or above 'proficient' levels in Math of Old Mill High School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in Maryland by year, with the latest 2020-21 school year data.
62%
36%
This chart display the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Old Mill High School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Maryland by year, with the latest 2020-21 school year data.
Student : Teacher Ratio
17:1
14:1
This chart display the student teacher ratio of Old Mill High School and the public school average student teacher ratio of Maryland by year, with the latest 2021-22 school year data.
American Indian
n/a
n/a
Asian
5%
7%
This chart display the percentage of Asian students in Old Mill High School and the percentage of Asian public school students in Maryland by year, with the latest 2021-22 school year data.
Hispanic
17%
21%
This chart display the percentage of Hispanic students in Old Mill High School and the percentage of Hispanic public school students in Maryland by year, with the latest 2021-22 school year data.
Black
36%
33%
This chart display the percentage of Black students in Old Mill High School and the percentage of Black public school students in Maryland by year, with the latest 2021-22 school year data.
White
36%
34%
This chart display the percentage of White students in Old Mill High School and the percentage of White public school students in Maryland by year, with the latest 2021-22 school year data.
Hawaiian
n/a
n/a
Two or more races
6%
5%
This chart display the percentage of students of two or more races in Old Mill High School and the percentage of public school students of two or more races in Maryland by year, with the latest 2021-22 school year data.
All Ethnic Groups
This chart display the percentage breakdown of students of all ethnic groups in Old Mill High School.
This chart display the percentage breakdown of public school students of all ethnic groups in MD.
0.71
This chart display the diversity score of Old Mill High School and the public school average diversity score of Maryland by year, with the latest 2021-22 school year data.
94%
87%
This chart display graduation rate of Old Mill High School and public school graduation rate of Maryland by year, with the latest 2020-21 school year data.
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
37%
38%
This chart display the percentage of students who is eligible for free lunch in Old Mill High School and the percentage of public school students who is eligible for free lunch in Maryland by year, with the latest 2021-22 school year data.
Eligible for Reduced Lunch
7%
4%
This chart display the percentage of students who is eligible for reduced lunch in Old Mill High School and the percentage of public school students who is eligible for reduced lunch in Maryland by year, with the latest 2021-22 school year data.
Source: 2021-2022 (latest school year available) National Center for Education Statistics (NCES), MD Dept. of Education

Frequently Asked Questions

What is Old Mill High School's ranking?
Old Mill High School is ranked #146 out of 1,343 schools, which ranks it among the top 20% of public schools in Maryland.
What percent of students have achieved state testing proficiency in math and reading?
38% of students have achieved math proficiency (compared to the 20% MD state average), while 62% of students have achieved reading proficiency (compared to the 36% MD state average).
What is the graduation rate of Old Mill High School?
The graduation rate of Old Mill High School is 94%, which is higher than the Maryland state average of 87%.
How many students attend Old Mill High School?
2,394 students attend Old Mill High School.
What is the racial composition of the student body?
36% of Old Mill High School students are Black, 36% of students are White, 17% of students are Hispanic, 6% of students are Two or more races, and 5% of students are Asian.
What is the student:teacher ratio of Old Mill High School?
Old Mill High School has a student ration of 17:1, which is higher than the Maryland state average of 14:1.
What grades does Old Mill High School offer ?
Old Mill High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Old Mill High School part of?

School Reviews

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Quick Stats (2024)

  • School Type: Magnet School
  • Grades: 9-12
  • Enrollment: 2,394 students
  • Student:Teacher Ratio: 17:1
  • Minority Enrollment: 64%
  • : 94% (Top 30%)
  • : Top 20%
  • : 38% (Top 20%)
  • : 62% (Top 10%)
  • Source: National Center for Education Statistics (NCES), MD Dept. of Education

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