Total enrollment
10,386
-112 (-1%) vs SY 2020-21
Northumberland County
Pennsylvania · Public K-12
Within Northumberland County, Pennsylvania, families have 23 public-school options to consider, collectively serving 10,386 K-12 students. Shikellamy SD is the heaviest district by enrollment. By level, that breaks down as 8 elementary, 6 middle, and 7 high schools.
4-year change in Northumberland County
SY 2020-21 vs SY 2024-25School count
21
-1 (-5%) vs SY 2020-21
Source: NCES Common Core of Data, enrollment-weighted demographic averages
How Northumberland County ranks
Among counties| Measure | This county | In Pennsylvania | In the US |
|---|---|---|---|
| State test proficiency ranked highest first | 43.5% | #54 of 62 | N/A |
| Enrollment ranked largest first | 10,386 | #33 of 64 | #794 of 2,745 |
| Number of schools ranked most first | 21 | #36 of 64 | N/A |
| Students per teacher ranked fewest first | 14.5:1 | #60 of 64 | #1,586 of 2,655 |
| Free or reduced-price lunch share ranked highest first | 86.3% | #11 of 63 | #385 of 2,526 |
| Diversity index ranked most diverse first | 34.3% | #26 of 64 | #1,672 of 2,707 |
Counties need at least 3 schools and 1,000 students to be ranked. Test proficiency is ranked within the state only, since each state gives a different test. Each rank links to the full list.
Northumberland County school rankings
Residents
90,560
all ages · ACS 5-yr
Schools
23
7 districts
Enrollment
10,386
students · NCES CCD
Median income
$60,583
Below Pennsylvania avg
Free/reduced lunch
86.3%
Above Pennsylvania avg
Elementary
8
4,530 students
Middle
6
2,264 students
High
7
3,592 students
Combined / other
2
schools
LARGEST DISTRICT
Shikellamy SD
2,682 students · 7 districts in Northumberland County
County vs. school enrollment demographics
Left bar is the racial makeup of Northumberland County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".
County residents
School enrollment
Bachelor's+
19.4%
adults 25+
Poverty rate
8.6%
ACS 5-year
Unemployment
3.7%
civilian labor
Median age
45
19.7% under 18
Test scores in Northumberland County
Latest 2024-25 ELA proficiency, 18 schools ranked. Pennsylvania state average: 51.1%.
Top 5 schools (ELA)
- Milton HS· 66.9%
- Line Mountain HS· 66.3%
- Shikellamy HS· 64.3%
- Warrior Run JSHS· 59.9%
- Warrior Run El Sch· 57.0%
Lowest 5 schools (ELA)
- Shamokin Area El Sch· 25.6%
- Shamokin Area Intermediate Sch· 28.2%
- Chief Shikellamy Sch· 32.6%
- Shamokin Area MS· 32.7%
- Mount Carmel Area JHS· 35.2%
See all 18 schools in Northumberland County ranked by score →
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| Shikellamy HS | Sunbury | High | 09-12 | 855 | · |
| Shamokin Area El Sch | Coal Township | Elementary | PK-04 | 830 | · |
| Mount Carmel Area El Sch | Mount Carmel | Elementary | PK-06 | 796 | · |
| Warrior Run El Sch | Turbotville | Elementary | KG-06 | 750 | · |
| Shamokin Area HS | Shamokin | High | 09-12 | 675 | · |
| Warrior Run JSHS | Turbotville | High | 07-12 | 625 | · |
| Chief Shikellamy Sch | Sunbury | Elementary | 03-05 | 614 | · |
| Milton HS | Milton | High | 09-12 | 608 | · |
| Shikellamy MS | Northumberland | Middle | 06-08 | 588 | · |
| James F Baugher El Sch | Milton | Elementary | KG-03 | 560 | · |
| Mount Carmel Area HS | Mount Carmel | High | 09-12 | 503 | · |
| Milton Area MS | Milton | Middle | 06-08 | 445 | · |
| Oaklyn Sch | Sunbury | Elementary | KG-02 | 375 | · |
| Line Mountain El Sch | Trevorton | Elementary | PK-04 | 355 | · |
| Shamokin Area MS | Shamokin | Middle | 07-08 | 351 | · |
| Line Mountain MS | Herndon | Middle | 05-08 | 319 | · |
| Line Mountain HS | Herndon | High | 09-12 | 311 | · |
| Shamokin Area Intermediate Sch | Coal Township | Middle | 05-06 | 308 | · |
| Mount Carmel Area JHS | Mount Carmel | Middle | 07-08 | 253 | · |
| Priestley Sch | Northumberland | Elementary | KG-02 | 250 | · |
| Northumberland County Career and Technology Center | Coal Township | High | 10-12 | 15 | · |
| Turbotville El Sch | Turbotville | Combined | M-M | · | · |
| Warrior Run MS | Turbotville | Combined | M-M | · | · |
Cities in Northumberland County
About Northumberland County
In Pennsylvania, Northumberland County is an average-sized county of about 90,560 residents. 23 public schools across the county enrolls about 10,386 students between them.
Looking at the broader picture, census numbers show typical household earnings sit around $60,583, about 19% of adults have a bachelor's degree or above, and roughly 9% of residents live below the federal poverty line. That income level is 15% meaningfully below the Pennsylvania median.
On the school-mix side, Northumberland County spans 8 elementary schools (4,530 students), 6 middle schools (2,264), 7 high schools (3,592), and 2 combined or other schools.
Shikellamy SD dominates the local landscape, accounting for roughly 2,682 students on its own.
Looking at the last 4 years. Total public-school enrollment in Northumberland County has stayed largely flat since SY 2020-21, moving from about 10,498 students to 10,386. Over that span, Northumberland County shed 1 school, going from 22 to 21.
Within the allk12 community for this area, the community for Northumberland County discusses enrollment trends, district policy changes, and bus-route updates. Parents, students, and educators in the area can post or comment.
Frequently asked questions
DATA · Census ACS 5-year · NCES Common Core of Data