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 334 students in grades 9-12, Line Mountain High School ranks in the top 10% of all schools in Pennsylvania for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 60-64% (which is higher than the Pennsylvania state average of 38%). The percentage of students achieving proficiency in reading/language arts is 80-84% (which is higher than the Pennsylvania state average of 55%).
The student-teacher ratio of 12:1 is lower than the Pennsylvania state level of 13:1.
Minority enrollment is 4% of the student body (majority Hispanic), which is lower than the Pennsylvania state average of 39% (majority Hispanic).
Quick Facts (2025-26)
- Grades: 9-12
- Enrollment: 334 students
- Student-Teacher Ratio: 12:1
- Minority Enrollment: 4%
- Graduation Rate: ≥95% (Top 10% in PA)
- Overall Testing Rank: Top 10%
- Math Proficiency: 60-64% (Top 20%)
- Reading Proficiency: 80-84% (Top 10%)
- Science Proficiency: 65-69% (Top 1%)
- Source: National Center for Education Statistics (NCES), PA Dept. of Education
Top Rankings
Line Mountain High School ranks among the top 20% of public schools in Pennsylvania for:
Category
Attribute
Overall Rank
Most improved public schools
Math Proficiency
Reading/Language Arts Proficiency
Graduation Rate
Student Attention
School Overview
Line Mountain High School's student population of 334 students has declined by 7% over five school years.
The teacher population of 29 teachers has declined by 6% over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
334 students
Gender %
Total Classroom Teachers
29 teachers
School Calendar
Last Day of School
Thu. Mar 19, 2026
School Rankings
Line Mountain High School ranks within the top 10% of all 2,733 schools in Pennsylvania (based off of combined math and reading proficiency testing data).
The diversity score of Line Mountain High School is 0.08, which is less than the diversity score at state average of 0.59. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#234 out of 2733 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
60-64%
38%
Reading/Language Arts Test Scores (% Proficient)
80-84%
55%
Science Test Scores (% Proficient)
(20-21)65-69%
64%
Student-Teacher Ratio
12:1
13:1
American Indian
n/a
n/a
Asian
n/a
5%
Hispanic
2%
15%
Black
1%
14%
White
96%
61%
Hawaiian
n/a
n/a
Two or more races
1%
5%
All Ethnic Groups
Graduation Rate
≥95%
87%
Eligible for Free Lunch
37%
60%
Eligible for Reduced Lunch
5%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), PA Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Line Mountain High School's ranking?
Line Mountain High School is ranked #234 out of 2,733 schools, which ranks it among the top 10% of public schools in Pennsylvania.
What schools are Line Mountain High School often compared to?
Line Mountain High Schoolis often viewed alongside schools like Mount Carmel Area High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
60-64% of students have achieved math proficiency (compared to the 38% PA state average), while 80-84% of students have achieved reading proficiency (compared to the 55% PA state average).
What is the graduation rate of Line Mountain High School?
The graduation rate of Line Mountain High School is 95%, which is higher than the Pennsylvania state average of 87%.
How many students attend Line Mountain High School?
334 students attend Line Mountain High School.
What is the racial composition of the student body?
96% of Line Mountain High School students are White, 2% of students are Hispanic, 1% of students are Black, and 1% of students are Two or more races.
What is the student-teacher ratio of Line Mountain High School?
Line Mountain High School has a student ration of 12:1, which is lower than the Pennsylvania state average of 13:1.
What grades does Line Mountain High School offer ?
Line Mountain High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Line Mountain High School part of?
Line Mountain High School is part of Line Mountain School District.
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