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Mississippi County

Missouri · Public K-12

7 public K-12 schools operate inside Mississippi County, with roughly 1,730 students enrolled, an average of 247 per campus. By level, that breaks down as 2 elementary, 2 middle, and 3 high schools.

7-year change in Mississippi County

SY 2017-18 vs SY 2024-25
Total enrollment
1,730
-329 (-16%) vs SY 2017-18
School count
6
-1 (-14%) vs SY 2017-18
% White
65%
was 66%
% Hispanic
2%
was 2%
% Black
27%
was 31%
% Asian
0%
was 0%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Schools
7
3 districts
Enrollment
1,730
NCES CCD
Median income
$48,160
Below Missouri avg
Free/reduced lunch
100.0%
Above Missouri avg
Elementary
2
688 students
Middle
2
431 students
High
3
611 students
Combined / other
0
schools
LARGEST DISTRICT
EAST PRAIRIE R-II
1,003 students · 3 districts in Mississippi County

County vs. school enrollment demographics

Left bar is the racial makeup of Mississippi 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
White
71%
Hispanic
1%
Black
19%
Asian
1%
Two or more
9%
Native American
0%
Pacific Islander
0%
School enrollment
White
65%
Hispanic
2%
Black
27%
Asian
0%
Two or more
5%
Native American
0%
Pacific Islander
0%
Bachelor's+
14.7%
adults 25+
Poverty rate
15.8%
ACS 5-year
Unemployment
2.7%
civilian labor
Median age
41
22.6% under 18

Test scores in Mississippi County

Latest 2024-25 ELA proficiency, 4 schools ranked. Missouri state average: 49.5%.

Top 4 schools (ELA)
  1. CHARLESTON HIGH· 86.9%
  2. EAST PRAIRIE MIDDLE· 59.5%
  3. CHARLESTON MIDDLE SCHOOL· 48.3%
  4. EAST PRAIRIE ELEM· 9.0%

See all 4 schools in Mississippi County ranked by score →

All schools (7)

NameCityLevelGradesEnrollmentRating
EAST PRAIRIE ELEMEast PrairieElementaryPK-04412·
CHARLESTON HIGHCharlestonHigh07-12310·
EAST PRAIRIE HIGHEast PrairieHigh09-12301·
EAST PRAIRIE MIDDLEEast PrairieMiddle05-08290·
WARREN E. HEARNES ELEM.CharlestonElementaryPK-03276·
CHARLESTON MIDDLE SCHOOLCharlestonMiddle04-06141·
SOUTHEAST CORRECTIONAL CENTERCharlestonHigh07-120·

Cities in Mississippi County

Charleston4 schoolsEast Prairie3 schools

About Mississippi County

Across the thinly populated Missouri county of Mississippi County of about 11,902 residents, the public-school footprint covers 7 schools and about 1,730 students.

Looking at the broader picture, census numbers show the median household earns about $48,160 a year, roughly 15% of adults have completed at least a four-year degree, and the federal-poverty share is near 16%. That income level is 21% noticeably below the Missouri median.

On the level-by-level breakdown, Mississippi County comprises 2 elementary schools (688 students), 2 middle schools (431), and 3 high schools (611).

EAST PRAIRIE R-II dominates the local landscape, accounting for roughly 1,003 students on its own.

Five-year track record. Combined enrollment now sits at 1,730 students, contracted 16% from the 2,059 reported in SY 2017-18. Over that span, Mississippi County closed 1 school, going from 7 to 6. Demographically, the Black share of enrollment decreased from 31% to 27%.

On allk12, the community for Mississippi County discusses sports rivalries, cross-district programs, and shared facilities. Posts come from current and former families, staff, and alumni.

Frequently asked questions

How many public schools are in Mississippi County?
Mississippi County, Missouri has 7 public K-12 schools serving approximately 1,730 students.
How many high schools are in Mississippi County?
Mississippi County, Missouri has 3 public high schools, serving approximately 611 students.
How many middle schools are in Mississippi County?
Mississippi County, Missouri has 2 public middle schools, serving approximately 431 students.
How many elementary schools are in Mississippi County?
Mississippi County, Missouri has 2 public elementary schools, serving approximately 688 students.
What is the largest school district in Mississippi County?
EAST PRAIRIE R-II is the largest school district in Mississippi County, serving approximately 1,003 students. The county contains 3 school districts overall.
What is the population of Mississippi County?
Mississippi County, Missouri has a population of approximately 11,902, with a median age of 41. About 22.6% of residents are under 18.
What is the median household income in Mississippi County?
Median household income in Mississippi County is $48,160, below the Missouri average of $61,285. About 15.8% of residents live below the federal poverty line.
How educated are residents of Mississippi County?
Approximately 14.7% of adults 25 and older in Mississippi County hold a bachelor's degree or higher, according to the Census ACS 5-year estimate.
What share of students in Mississippi County qualify for free or reduced lunch?
Roughly 100.0% of students in Mississippi County public schools qualify for free or reduced-price lunch, a common proxy for low-income enrollment. This is higher than the Missouri county average of 54.0%.
What is the student-teacher ratio in Mississippi County schools?
Across Mississippi County public schools, the enrollment-weighted student-teacher ratio is approximately 11.9 to 1.
DATA · Census ACS 5-year · NCES Common Core of Data