Patterson Mill High School

Public high school, grades 9 to 12 · Bel Air, Maryland

Patterson Mill High School in Bel Air, Maryland enrolled 839 students in 2024-25 with 49.3 full-time teachers, 17.0 students per teacher against the Maryland high-school median of 16.3. It was not a Title I school in 2021-22; it takes part in the National School Lunch Program (2024-25). On the state tests, 70-74% of its students tested were proficient in reading in 2021-22 and 40-44% proficient in math in 2022-23 (Maryland: 45.1% and 27.1%). Its four-year graduation rate for the class of 2023 was 96% (Maryland: 85.8%).

NCES Common Core of Data 2024-25 · Civil Rights Data Collection 2021-22 · Title I status CCD 2021-22 · method

Enrollment rose 2% from 2022-23 to 2024-25; full-time teachers fell 7%

819 students in 2022-23, 826 students in 2023-24, 839 students in 2024-25. Full-time teachers went from 53.3 to 49.3.

Students enrolled at Patterson Mill High School by school year2022-23: 819, 2023-24: 826, 2024-25: 83902505007501k2022-238192023-248262024-25839
Students enrolled at Patterson Mill High School by school year2022-23: 819, 2023-24: 826, 2024-25: 83902505007501k2022-238192023-248262024-25839
Students enrolled at Patterson Mill High School by school year2022-23: 819, 2023-24: 826, 2024-25: 83902505007501k2022-238192023-248262024-25839
Students enrolled at Patterson Mill High School by school year2022-23: 819, 2023-24: 826, 2024-25: 83902505007501k2022-238192023-248262024-25839
The numbers as a table
School yearStudentsTeachers (FTE)Per teacher
2022-2381953.315.4
2023-2482651.616.0
2024-2583949.317.0

17.0 students per teacher, a higher ratio than 67 of every 100 Maryland high schools

Among the 216 Maryland high schools that reported teachers for 2024-25 the median is 16.3; the national median for high schools is 14.5. A ratio counts every teacher, so it is not the size of a class.

Students per teacher, Maryland high schools, 2024-25216 values from 3.2 to 22.1; This school 17.0; state median 16.3.0102030students per full-time teacherThis school 17.0state median 16.3U.S. 14.5
Students per teacher, Maryland high schools, 2024-25216 values from 3.2 to 22.1; This school 17.0; state median 16.3.0102030students per full-time teacherThis school 17.0state median 16.3U.S. 14.5
Students per teacher, Maryland high schools, 2024-25216 values from 3.2 to 22.1; This school 17.0; state median 16.3.0102030students per full-time teacherThis school 17.0state median 16.3U.S. 14.5
Students per teacher, Maryland high schools, 2024-25216 values from 3.2 to 22.1; This school 17.0; state median 16.3.0102030students per full-time teacherThis school 17.0state median 16.3U.S. 14.5

Source: NCES Common Core of Data membership and staff files, 2022-23, 2023-24, 2024-25; the comparison counts schools with a 2024-25 teacher count and a ratio from 3 to 99 (lower values are reporting errors).

21 AP courses and one counselor per 401 students in 2021-22

In the 2021-22 civil rights collection Patterson Mill High School enrolled 802 students and had 2.0 counselors (full-time equivalent); it reported 18 out-of-school suspensions that year.

  • Advanced Placement courses21
  • Gifted and talented programYes
  • Counselors (FTE)2.0, one per 401 of the 802 students enrolled in 2021-22
  • Out-of-school suspensions18
  • Chronically absent20.8% (2022-23)

Who attends

67.8% of students were White, 9.4% Hispanic, 8.2% Black in 2024-25.

  1. White67.8%
  2. Hispanic9.4%
  3. Black8.2%
  4. Two or more races7.2%
  5. Asian6.8%
  6. American Indian0.4%
  7. Pacific Islander0.2%

Source: U.S. Department of Education, Civil Rights Data Collection 2021-22; chronic absenteeism from EDFacts 2022-23; every count and the counselor ratio are for that school year. Who attends: NCES Common Core of Data 2024-25, membership by race and ethnicity.

State test results, 2021-22 and 2022-23

The students tested at Patterson Mill High School scored proficient or above: 70-74% in reading in 2021-22 and 40-44% in math in 2022-23, against 45.1% in reading in 2021-22 and 27.1% in math in 2022-23 across Maryland. Each state writes its own test and sets its own proficiency bar, so compare these within Maryland, not across states. ED Data Express holds no district results after 2021-22, so the district column gives its 2021-22 figure.

Students proficient or above, 2021-22 and 2022-23
Subject and yearThis schoolIts districtMaryland
Reading and language arts, 2021-2270‑74%50%45.1%
Math, 2022-2340‑44%27% (2021-22)27.1%

Source: U.S. Department of Education, EDFacts state assessment results 2021-22 and 2022-23, all students, from ED Data Express (2021-22 through the Data Rescue Project archive); for 2022-23 ED published math by school and reading only by state: ED shows school and district results as ranges (for example 20-24%) to protect small groups.

Graduation rate, class of 2023

96% of the 206 students in Patterson Mill High School's class of 2023 graduated within four years, against 85.8% across Maryland. The four-year rate follows the students who started ninth grade in fall 2019, adjusted for those who moved in or out, and counts those who earned a regular diploma by 2023. Every state computes it the same way under federal law, though each sets its own diploma requirements.

Four-year adjusted-cohort graduation rate, class of 2023
This schoolIts districtMaryland
Four-year graduation rate96%91%85.8%
Students in the class2062,71667,829

Source: U.S. Department of Education, EDFacts four-year adjusted-cohort graduation rates 2022-23, all students, from ED Data Express: ED shows school and district rates as ranges (for example 90-94%) and leaves out small classes.

High schools in Bel Air

4 public high schools in Bel Air report 2024-25 enrollment; Patterson Mill High School is number 4 by size.

SchoolStudentsPer teacherFree lunch
Bel Air High1,34115.521.0%
C. Milton Wright High1,29116.223.6%
Harford Technical High95416.518.2%
Patterson Mill High School83917.021.7%

All public schools in Bel Air →

Source: NCES Common Core of Data 2024-25.

What to look at next about Patterson Mill High School

  1. Bel Air HighThe nearest public high school, 2.1 miles away: 1,341 students, 15.5 per teacher (2024-25).2.1 mi
  2. C. Milton Wright HighThe next nearest public high school, 3.8 miles away: 1,291 students, 16.2 per teacher (2024-25).3.8 mi
  3. Compare Patterson Mill High School with Bel Air HighStudents, teachers, meals, test results and who attends, side by side.
  4. How much Harford County Public Schools spends per student$17,493 per student on current operations in fiscal year 2022-23 (U.S. $16,260), with its revenue sources and teacher pay.$17,493
  5. The largest public schools in MarylandPatterson Mill High School is the number 159 by size of 230 Maryland high schools open in 2024-25.#159 of 230
  6. Maryland schools by students per teacher17.0 students per teacher here against the Maryland median of 16.3 for high schools.17.0:1
  7. Find the school district for an addressA home's district, not its city, decides which public schools it can enroll in.

Source: NCES Common Core of Data 2024-25 (locations, enrollment, teachers); NCES F-33 finance survey, fiscal year 2022-23. Distances are straight lines between the schools' NCES coordinates, not travel routes.

Questions about Patterson Mill High School

  1. How many students attend Patterson Mill High School?
    839 in the 2024-25 school year, according to the NCES Common Core of Data; 819 in 2022-23. It is a high school in Bel Air, MD.
  2. What is the student-teacher ratio at Patterson Mill High School?
    17.0 students per full-time teacher (2024-25); the Maryland median for high schools is 16.3. A ratio counts every teacher, so it is not the size of a class.
  3. Is Patterson Mill High School a Title I school?
    Patterson Mill High School was not a Title I school in 2021-22, the last year NCES published school Title I status.
  4. How do students at Patterson Mill High School do on state tests?
    The students tested at Patterson Mill High School scored proficient or above: 70-74% in reading in 2021-22 and 40-44% in math in 2022-23, against 45.1% in reading in 2021-22 and 27.1% in math in 2022-23 across Maryland. Maryland's own test sets what proficient means, so results compare within the state, not across states. Source: U.S. Department of Education, EDFacts state assessment results, 2021-22 and 2022-23; ED publishes school results as ranges to protect small groups.
  5. What is the graduation rate at Patterson Mill High School?
    96% of the 206 students in Patterson Mill High School's class of 2023 graduated within four years, against 85.8% across Maryland. The rate counts the students who started ninth grade in fall 2019, adjusted for those who moved in or out, and the share of them with a regular diploma by 2023. Source: U.S. Department of Education, EDFacts four-year adjusted-cohort graduation rates, 2022-23; ED publishes school rates as ranges to protect small groups.
  6. What district is Patterson Mill High School in?
    Harford County Public Schools, NCES district ID 2400390. The first seven digits of the school's NCES ID 240039001638 are the district's.

Reading these figures: how to choose a school district, what Title I means and what an absenteeism rate means. They are for information and are not a substitute for the school's or district's own records.

Sources

Every federal file behind this record
  • NCES Common Core of Data, 2024-25: directory, membership, staff and lunch files. nces.ed.gov
  • NCES Common Core of Data, 2021-22 school characteristics: Title I status. nces.ed.gov
  • Civil Rights Data Collection, 2021-22: AP courses, gifted programs, counselors, discipline. civilrightsdata.ed.gov
  • EDFacts, 2022-23: chronic absenteeism. ed.gov
  • EDFacts state assessment results, 2021-22 and 2022-23: reading and math proficiency for the school, its district and its state (ED Data Express). eddataexpress.ed.gov
  • EDFacts four-year adjusted-cohort graduation rates, 2022-23: the class of 2023 for the school, its district and its state (ED Data Express). eddataexpress.ed.gov
  • NCES F-33 School District Finance Survey, fiscal year 2022-23: district spending and revenue. nces.ed.gov
  • U.S. Census Bureau geocoder and TIGER school districts: the district boundary used by the district finder. census.gov

Source: NCES Common Core of Data Directory, membership, staff and lunch files · 2024-25

Source: Civil Rights Data Collection School-level files (AP, gifted, counselors, discipline) · 2021-22

District spending on the district page is from the NCES F-33 finance survey, fiscal year 2022-23.

Compiled from official source data by .