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SCHOOL COMMUNITY·KEYSTONE CENTRAL SD·NCES 421272500449

Central Mountain MS

200 Ben Avenue, Mill Hall, PA 17751 · (570) 893-4900 · Clinton County
GRADES 05–08MIDDLE32-TOWNTITLE IREGULAR SCHOOL879 STUDENTS
Enrollment
879
Middle
DISTRICT 498 · STATE 594
Student : Teacher
13.5:1
65 FTE teachers
DISTRICT 13.7:1 · STATE 13.2:1
Free / Reduced Lunch
104%
915 students
DISTRICT 99% · STATE 75%
Community
1
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 5
199
Grade 6
231
Grade 7
207
Grade 8
242
Student demographics
White
76887%
DISTRICT 88% · STATE 60%
Hispanic
455%
DISTRICT 5% · STATE 16%
Black
152%
DISTRICT 2% · STATE 14%
Asian
20%
DISTRICT 0% · STATE 5%
Two+
496%
DISTRICT 5% · STATE 5%
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
44150%
Female
43850%

Discussions

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Test scores

PSSA + Keystone 2024-25 . % Proficient or Advanced
English Language Arts
45.8%
PA avg 51.1% . -2.6pp since 2023
Math
35.2%
PA avg 43.0% . +4.5pp since 2023
Source: PSSA + Keystone. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
40.6%
composite math + reading, all grades
Predicted
33.0%
based on PA schools with similar FRL share
Beats by
+7.7pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
879
+57 (+7%) vs 2017
Student : Teacher
13.5:1
was 13.2:1
% White
87%
was 94%
% Hispanic
5%
was 2%
% Black
2%
was 1%
% Asian
0%
was 1%
Source: NCES Common Core of Data

About Central Mountain MS

Central Mountain MS is a reasonably sized middle-grades school in Mill Hall, Pennsylvania, run under Keystone Central SD. The school caters to 879 students in grades 5 through 8. Compared to the state average of about 594 students per school, that is 48% above typical.

Across the 9 schools in Keystone Central SD (3,324 students total), Central Mountain MS accounts for its share of the district's footprint.

In terms of who attends, Central Mountain MS shows that nearly all students (87%) are White. Other groups include 6% multiracial, 5% Hispanic.

Looking at school resources, On paper, Central Mountain MS has 65 full-time-equivalent teachers, translating to a class-load average of around 13.5:1. That tracks the state average closely. Roughly 104% of students at Central Mountain MS qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

On a residual basis (actual vs predicted given the student mix), Central Mountain MS sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 33.0%; this one delivers 40.6%.

Across the wider county, community-level numbers for Clinton County indicate median household income runs about $60,816, roughly 22% of adults have completed at least a four-year degree, and the poverty rate sits near 11%. In all, Clinton County runs 11 public schools (combined enrollment of about 3,879 students), of which Central Mountain MS is one.

Nearest neighbor: Mill Hall El Sch, around 0.1 miles off. Within five miles, there are 4 other public schools. Ranking that nearby cluster on reported proficiency puts Central Mountain MS at 6th of 7; the average score across the group is 54.9%.

The campus sits in a town-based setting.

Looking at the recent track record. Over the past 7-year window, the student count climbed 7%: 822 students in 2018 compared to 879 in 2025. Over the same period, the White share declined from 94% to 87%.

Within the allk12 community for this school, recent activity here tends to focus on sports schedules, lunch menu changes, and school spirit week. Anyone with firsthand experience at this school can post or comment.

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 MS
District
Keystone Central SD
Address
200 Ben Avenue, Mill Hall, PA 17751
Phone
(570) 893-4900
County
Clinton County
Level
Middle
Grade range
05–08
Total enrollment
879
Teachers (FTE)
65
Student–teacher ratio
13.5:1
Free/Reduced lunch
915 (104%)
Locale
32-Town: Distant
NCES ID
421272500449
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 MS
How large is Central Mountain MS?
Central Mountain MS enrolls approximately 879 students in grades 05-08.
What age range does Central Mountain MS serve?
Central Mountain MS serves students from grade 05 through grade 08.
What is the student-teacher ratio at Central Mountain MS?
The student-to-teacher ratio at Central Mountain MS is approximately 13.5:1 (65 FTE teachers).
What is the racial breakdown of students at Central Mountain MS?
At Central Mountain MS, the student body is approximately 87% White, 5% Hispanic, 2% Black, 0% Asian, 6% Two or more.
Is Central Mountain MS public or private?
Central Mountain MS 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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