Clinton County R-III School District
Plattsburg, Missouri · Clinton County · Grades Pre-K–12
Clinton County R-III School District runs 3 schools (1 elementary, 1 middle, 1 high) with 698 students. By enrollment it is the 234th largest of 556 districts in Missouri, where the median district has 566 students. NCES classifies its area as rural, distant.
Source: NCES CCD 2024-25. Rank compares the 556 Missouri districts listed on this site.
District at a glance
| Schools | 3 |
| Students | 698 |
| Teachers (full-time equivalent) | 61.8 |
| Students per teacher | 11.3 (state 12.8) |
| Free or reduced-price lunch eligible | 39.1% (state 49.2%) |
| County | Clinton County |
| Area type | Rural, distant |
| NCES district ID | 2925290 |
Source: NCES CCD 2024-25, totals of the district's schools. Students per teacher = students ÷ full-time-equivalent teachers.
Schools in Clinton County R-III
| School | Level | Grades | Students | Per teacher | Free/reduced lunch |
|---|---|---|---|---|---|
| Clinton County R-III Middle School | Middle | 5–8 | 197 | 11.7 | 39.1% |
| Ellis Elementary School | Elementary | Pre-K–4 | 301 | 11.5 | 40.2% |
| Plattsburg High School | High | 9–12 | 200 | 10.7 | 37.5% |
Source: NCES CCD 2024-25.
Map of Clinton County R-III schools
Locations: NCES EDGE. Map data © OpenStreetMap contributors.
Clinton County R-III in context
Size
Clinton County R-III School District enrolls 0.1% of Missouri's 885,129 public school students and is close to the median district (566 students). The largest of its schools is Ellis Elementary School with 301 students, and the smallest is Clinton County R-III Middle School with 197; the average is 233, against 386 statewide.
Source: NCES CCD 2024-25 enrollment. Share = district students ÷ all students in Missouri schools listed here; averages = students ÷ schools.
Grades
Its largest grade this year is grade 3, with 62 students. Grade 12 has 50 students and kindergarten has 47, within 10% of each other. Clinton County R-III enrolls 49 children in pre-K.
Source: NCES CCD 2024-25 membership by grade, all schools in the district.
Students
White students are the largest group in Clinton County R-III at 82.4%, above their 66.9% share of Missouri public school students. Two or more races students make up 11.6%.
39.1% of students qualify for free or reduced-price lunch, against 49.2% statewide. By school, the share runs from 37.5% at Plattsburg High School to 40.2% at Ellis Elementary School.
Source: NCES CCD 2024-25 membership and school lunch program data. District and state shares weight each school by its enrollment.
Staff
Its 61.8 full-time-equivalent teachers work out to 11.3 students per teacher, fewer than the state's 12.8. With 2.8 counselors it has 249 students per counselor; the median Missouri district has 265, and the American School Counselor Association recommends no more than 250. It reports 0.1 librarians or media specialists.
Source: NCES CCD 2024-25 district staff file (full-time equivalents). Students per counselor = district students ÷ counselors. Benchmark: American School Counselor Association, 250 students per counselor.
Location
Clinton County R-III is based in rural territory 5 to 25 miles from an urbanized area, or 2.5 to 10 miles from a town, an area NCES calls rural, distant. The nearest district is Lathrop R-II School District, 6.7 miles away with 871 students. 20 districts are within 25 miles, and 11 of them enroll more students than Clinton County R-III. Clinton County has 4 districts on this site.
Source: NCES EDGE locations and locale codes, 2024-25. Distances are straight lines between the average locations of each district's schools.
Staff
| Role | Full-time equivalent | Students per staff member |
|---|---|---|
| Teachers | 61.8 | 11 |
| School counselors | 2.8 | 249 |
| Librarians and media specialists | 0.1 | 6,980 |
| School psychologists | 0 | – |
| Instructional aides | 20 | 35 |
| Other student support staff | 8.9 | 78 |
| School administrators | 2.9 | 241 |
| District administrators | 1 | 698 |
| All staff | 97.4 |
Source: NCES CCD 2024-25 district staff file. Students per staff member = district students ÷ full-time-equivalent staff in that role. The median Missouri district has 265 students per counselor.
Students by race and ethnicity
| White | 82.4% |
| Two or more races | 11.6% |
| Hispanic | 3% |
| Black | 1.3% |
| Asian | 0.9% |
| Native Hawaiian or Pacific Islander | 0.7% |
| American Indian or Alaska Native | 0.1% |
Source: NCES CCD 2024-25 membership, all schools in the district.
Students by grade
| Pre-K | 49 |
| Kindergarten | 47 |
| Grade 1 | 43 |
| Grade 2 | 46 |
| Grade 3 | 62 |
| Grade 4 | 54 |
| Grade 5 | 54 |
| Grade 6 | 48 |
| Grade 7 | 55 |
| Grade 8 | 40 |
| Grade 9 | 62 |
| Grade 10 | 50 |
| Grade 11 | 38 |
| Grade 12 | 50 |
Source: NCES CCD 2024-25 membership.
Nearby school districts
| District | Distance | Students | Per teacher | Calendar 2026–2027 |
|---|---|---|---|---|
| Lathrop R-II School District | 7 mi | 871 | 11.8 | – |
| East Buchanan County C-1 (025076) School District | 10 mi | 689 | 11.8 | – |
| Smithville R-II School District | 13 mi | 2,514 | 14 | – |
| Stewartsville C-2 School District | 13 mi | 246 | 11.1 | – |
| Osborn R-O School District | 14 mi | 127 | 7.1 | – |
| North Platte County R-I School District | 14 mi | 556 | 11.9 | – |
| Kearney R-I School District | 15 mi | 3,424 | 13.6 | – |
| Lawson R-XIV School District | 16 mi | 1,143 | 13.9 | – |
Distance between the average locations of each district's schools (NCES EDGE).
Other school districts in Clinton County
- Cameron R-I School District (1,601 students)
- Lathrop R-II School District (871 students)
- East Buchanan County C-1 (025076) School District (689 students)
Source: NCES CCD 2024-25, county of each district's office.
Contact
800 W Frost, Plattsburg, MO 64477
Phone: (816)539-2183
Website: ccr3.k12.mo.us
Source: NCES CCD 2024-25 directory.