Total enrollment
468
-87 (-16%) vs SY 2017-18
Mercer County
Missouri · Public K-12
Mercer County's public schools total 4 across the county, with enrollment of about 468 and Princeton R-V the largest single district. By grade band, the county runs 2 elementary and 2 high schools.
7-year change in Mercer County
SY 2017-18 vs SY 2024-25School count
4
0 (0%) vs SY 2017-18
% White
97%
was 92%
% Hispanic
1%
was 4%
% Black
0%
was 1%
% Asian
0%
was 0%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Schools
4
2 districts
Enrollment
468
NCES CCD
Median income
$62,679
Above Missouri avg
Free/reduced lunch
42.3%
Below Missouri avg
Elementary
2
259 students
Middle
0
schools
High
2
209 students
Combined / other
0
schools
LARGEST DISTRICT
PRINCETON R-V
326 students · 2 districts in Mercer County
County vs. school enrollment demographics
Left bar is the racial makeup of Mercer 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+
18.1%
adults 25+
Poverty rate
7.0%
ACS 5-year
Unemployment
3.5%
civilian labor
Median age
42
24.5% under 18
Test scores in Mercer County
Latest 2024-25 ELA proficiency, 2 schools ranked. Missouri state average: 49.5%.
Top 2 schools (ELA)
- PRINCETON R-V JR.-SR. HIGH· 67.5%
- PRINCETON R-V ELEM.· 42.2%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| PRINCETON R-V ELEM. | Princeton | Elementary | PK-06 | 175 | · |
| PRINCETON R-V JR.-SR. HIGH | Princeton | High | 07-12 | 151 | · |
| NORTH MERCER ELEM. | Mercer | Elementary | PK-06 | 84 | · |
| MERCER HIGH | Mercer | High | 07-12 | 58 | · |
Cities in Mercer County
About Mercer County
Across the low-population Missouri county of Mercer County of about 3,482 residents, the public-school footprint covers 4 schools and about 468 students.
Zooming out, census numbers show typical household earnings sit around $62,679, roughly 18% of adults have completed at least a four-year degree, and roughly 7% of residents live below the federal poverty line.
Looking at the level breakdown, Mercer County covers 2 elementary schools (259 students), and 2 high schools (209).
PRINCETON R-V is the biggest district by enrollment, covering about 326 students across Mercer County.
Trend over the past 7 years. Combined enrollment now sits at 468 students, shrank 16% from the 555 reported in SY 2017-18. The White share of public-school enrollment climbed from 92% to 97%.
In the discussion threads here, the community for Mercer County discusses open enrollment windows, redistricting talk, and busing logistics. Members of the local community share what they see day-to-day.
Frequently asked questions
DATA · Census ACS 5-year · NCES Common Core of Data