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Schools›Pennsylvania›Mill Hall
SCHOOL COMMUNITY·KEYSTONE CENTRAL SD·NCES 421272500446

Central Mountain HS

64 Keystone Central Dr, Mill Hall, PA 17751 · (570) 893-4900 · Clinton County
GRADES 09–12HIGH41-RURALTITLE IREGULAR SCHOOL1,013 STUDENTS
Enrollment
1,013
High
DISTRICT 557 · STATE 738
Student : Teacher
16.9:1
60 FTE teachers
DISTRICT 12.4:1 · STATE 12.8:1
Free / Reduced Lunch
107%
1,081 students
DISTRICT 99% · STATE 75%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 9
252
Grade 10
243
Grade 11
269
Grade 12
249
Student demographics
White
91590%
DISTRICT 88% · STATE 60%
Hispanic
404%
DISTRICT 5% · STATE 16%
Black
151%
DISTRICT 2% · STATE 14%
Asian
30%
DISTRICT 0% · STATE 5%
Two+
394%
DISTRICT 5% · STATE 5%
Native American
10%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
53753%
Female
47647%

Discussions

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Test scores

PSSA + Keystone 2024-25 . % Proficient or Advanced
English Language Arts
54.0%
PA avg 51.1% . +5.5pp since 2023
Math
34.6%
PA avg 43.0% . +2.8pp since 2023

What this means: On the PSSA + Keystone, Pennsylvania's statewide test, about 54 of every 100 students at this school read and write at grade level and about 35 of 100 do math at grade level. Across all Pennsylvania schools, those numbers are about 51 and 43. Reading and writing scores are up about 6 points since 2023, while math scores are up about 3 points.

Source: PSSA + Keystone. All students, all grades. See all years and grades →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
1,013
-124 (-11%) vs 2017
Student : Teacher
16.9:1
was 14.6:1
% White
90%
was 95%
% Hispanic
4%
was 2%
% Black
1%
was 2%
% Asian
0%
was 1%
Source: NCES Common Core of Data

About Central Mountain HS

Central Mountain HS, a reasonably sized secondary school in Mill Hall, Pennsylvania, operated by Keystone Central SD, works with 1,013 students, covering grades 9 through 12. By comparison, Pennsylvania's public schools average about 738 students each, so Central Mountain HS sits 37% above that benchmark.

Keystone Central SD comprises 9 schools with combined enrollment of 3,324 students; Central Mountain HS is among them.

For racial and ethnic makeup, Central Mountain HS reports that the student body is overwhelmingly White (90%). Beyond that, the school lists 4% Hispanic, 4% multiracial. Compared to Clinton County overall, the school's racial mix sits in roughly the same range.

In terms of school funding signals, On paper, Central Mountain HS has 60 full-time-equivalent teachers, translating to a class-load average of around 16.9:1. The state averages around 12.8:1, so this campus is higher than the state norm typical. Around 107% of the student body qualifies for free or reduced-price meals, often used as a Title I proxy. That share is north of Clinton County's rate of about 99%.

In the surrounding community, Clinton County reports that median household income runs about $60,816, about 22% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 11%. In all, Clinton County runs 11 public schools (combined enrollment of about 3,879 students), of which Central Mountain HS is one.

Nearest neighbor: Central Mountain MS, around 0.8 miles off. 4 of the 8 nearest public schools sit inside a five-mile radius.

Geographically, the school is in a small-town area.

Over the past 7-year window. Central Mountain HS's enrollment has shrank 11% since 2018, when it stood at 1,137 (now 1,013). Over the same period, the White share ticked down from 95% to 90%. The student-to-teacher ratio grew from 14.6:1 in 2018 to 16.9:1 today.

On the community side, recent activity here tends to focus on fundraisers, lost-and-found posts, and report-card season. Posting is open to anyone connected to the school.

Clinton County at a glance

View full county profile
Population
37,798
Census ACS
Median income
$60,816
Household, ACS
Bachelor's+
22%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
11
3,879 students

Quick facts

School name
Central Mountain HS
District
Keystone Central SD
Address
64 Keystone Central Dr, Mill Hall, PA 17751
Phone
(570) 893-4900
County
Clinton County
Level
High
Grade range
09–12
Total enrollment
1,013
Teachers (FTE)
60
Student–teacher ratio
16.9:1
Free/Reduced lunch
1,081 (107%)
Locale
41-Rural: Fringe
NCES ID
421272500446
Charter school
No
Virtual school
No

Related schools

Other schools in Keystone Central SD
Other schools in Mill Hall
Nearby schools

Frequently asked questions

About Central Mountain HS
How many students attend Central Mountain HS?
Central Mountain HS enrolls approximately 1,013 students in grades 09-12.
What grades does Central Mountain HS serve?
Central Mountain HS serves grades 09-12.
What is the student-teacher ratio at Central Mountain HS?
The student-to-teacher ratio at Central Mountain HS is approximately 16.9:1 (60 FTE teachers).
What is the racial breakdown of students at Central Mountain HS?
At Central Mountain HS, the student body is approximately 90% White, 4% Hispanic, 1% Black, 0% Asian, 4% Two or more.
Is Central Mountain HS public or private?
Central Mountain HS is a public K-12 school, overseen by Keystone Central SD.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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