The Line Mountain High School is a small, rural public high school located at 187 Line Mountain Road, Herndon, Northumberland County, Pennsylvania. In 2014, the school was reorganized as a 7th–12th grade school. It shares the building with the District's only middle school.
Serving 319 students in grades 5-8, Line Mountain Middle School ranks in the bottom 50% of all schools in Pennsylvania for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 23% (which is lower than the Pennsylvania state average of 38%). The percentage of students achieving proficiency in reading/language arts is 62% (which is higher than the Pennsylvania state average of 55%).
The student-teacher ratio of 15:1 is higher than the Pennsylvania state level of 13:1.
Minority enrollment is 5% of the student body (majority Hispanic), which is lower than the Pennsylvania state average of 40% (majority Hispanic).
Quick Facts (2026-27)
- Grades: 5-8
- Enrollment: 319 students
- Student-Teacher Ratio: 15:1
- Minority Enrollment: 5%
- Overall Testing Rank: Bottom 50% in PA
- Math Proficiency: 23% (Btm 50%)
- Reading Proficiency: 62% (Top 50%)
- Science Proficiency: 65-69% (Top 50%)
- Attendance Zone: Line Mountain MS's attendance zone encompasses the entire school district in Herndon, PA, covering approximately 155.7 square miles. Families typically drive 15-20 minutes to reach the school, with the furthest edge of the zone located about 16.4 miles away.
- Source: National Center for Education Statistics (NCES), PA Dept. of Education
School Overview
Line Mountain Middle School's student population of 319 students has stayed relatively flat over five school years.
The teacher population of 21 teachers has declined by 12% over five school years.
Grades Offered
Grades 5-8
(No virtual instruction)
(No virtual instruction)
Total Students
319 students
Total Classroom Teachers
21 teachers
Year Founded
1905
School Rankings
Line Mountain Middle School ranks within the bottom 50% of all 2,733 schools in Pennsylvania (based off of combined math and reading proficiency testing data).
The diversity score of Line Mountain Middle School is 0.10, which is less than the diversity score at state average of 0.60. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#1606 out of 2733 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
23%
38%
Reading/Language Arts Test Scores (% Proficient)
62%
55%
Science Test Scores (% Proficient)
65-69%
57%
Student-Teacher Ratio
15:1
13:1
American Indian
n/a
n/a
Asian
n/a
5%
Hispanic
3%
16%
Black
n/a
14%
White
95%
60%
Hawaiian
n/a
n/a
Two or more races
2%
5%
All Ethnic Groups
Chronically Absent Students
(22-23)24.5%
23.3%
Eligible for Free Lunch
46%
59%
Eligible for Reduced Lunch
3%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), PA Dept. of Education
Frequently Asked Questions
What is Line Mountain Middle School's ranking?
Line Mountain Middle School is ranked #1606 out of 2,733 schools, which ranks it among the bottom 50% of public schools in Pennsylvania.
What percent of students have achieved state testing proficiency in math and reading?
23% of students have achieved math proficiency (compared to the 38% PA state average), while 62% of students have achieved reading proficiency (compared to the 55% PA state average).
How many students attend Line Mountain Middle School?
319 students attend Line Mountain Middle School.
What is the racial composition of the student body?
95% of Line Mountain Middle School students are White, 3% of students are Hispanic, and 2% of students are Two or more races.
What is the student-teacher ratio of Line Mountain Middle School?
Line Mountain Middle School has a student ration of 15:1, which is higher than the Pennsylvania state average of 13:1.
What grades does Line Mountain Middle School offer ?
Line Mountain Middle School offers enrollment in grades 5-8 (No virtual instruction).
What school district is Line Mountain Middle School part of?
Line Mountain Middle School is part of Line Mountain School District.
School Reviews
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