Average
#1263 of 2,221 schools in MO
Ellis Elem.
Elementary School · Clinton Co. R-iii · Plattsburg, MO
A Clinton Co. R-iii elementary school where students score 14 points below what's typical for similar communities.
800 W. Frost Street, Plattsburg, MO 64477
- Math 32% vs MO 48% (2024)
- Reading 35% vs MO 48% (2025)
- 12.4:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Ellis Elem. score 34% proficient, which is below what's typical for similar communities (expected: 47%).
2025 MAP proficiency
Most recent published year. School vs. MO average.
Trend
→ SteadyProficiency is down 7 points across the 17-year record (2009–2025) and has held near 35% recently.
Show all 16 years
Multi-year averages used by the rating model: math 34% (multi-year average, 2009-2024) · reading/ELA 43% (multi-year average, 2009-2025)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 35 test records from MO state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
41.4%
Students qualifying for federal meal assistance
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Ellis Elem. sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries. Open the Kansas City map →
Getting around & local context
- Walk 52Somewhat Walkable
- Bike 38Somewhat Bikeable
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Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$64,972
Median home value
$220,900
Median rent
$775/mo
College educated
29.5%
Homeownership
76.5%
Poverty rate
13.4%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 64477; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
0 from verified nearby records
No verified same-level alternatives
The available nearby set has no same-level school with a verified grade span.
Clinton Co. R-iii
- Schools in district
- 3
- Rank in district
- #2 of 3
- District spending per student
- $13,277NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 9.6%Census SAIPE · 2024
Ellis Elem. is listed in CLINTON CO. R-III; a district label does not verify attendance for an address.
About Ellis Elem.
Ellis Elem. is a public elementary school in Plattsburg, MO, part of Clinton Co. R-iii, serving approximately 360 students in grades Pre-K-5th with a 12.4:1 student-teacher ratio. It holds a MySchoolScout rating of 6.1 out of 10 and ranks #1,263 of 2,221 schools in MO.
State assessment records show 34% math proficiency (multi-year average, 2009-2024) and 43% reading/ELA proficiency (multi-year average, 2009-2025).
Frequently asked questions
Common questions about Ellis Elem.
What grades does Ellis Elem. serve?
Ellis Elem. serves students in grades Pre-K through 5th.
How many students attend Ellis Elem.?
Ellis Elem. has an enrollment of approximately 360 students.
What is the student-teacher ratio at Ellis Elem.?
The student-teacher ratio at Ellis Elem. is 12.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Ellis Elem. rank in MO?
Ellis Elem. ranks #1,263 of 2,221 schools in MO.
What is Ellis Elem.'s MySchoolScout rating?
Ellis Elem. has a current MySchoolScout rating of 6.1 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Ellis Elem.?
Based on loaded state assessment records, Ellis Elem. has 34% math proficiency (multi-year average, 2009-2024) and 43% reading/ELA proficiency (multi-year average, 2009-2025).
Is Ellis Elem. a charter school?
No, Ellis Elem. is not a charter school. It is a traditional public school operated by the local school district.
Is Ellis Elem. a Title I school?
No, Ellis Elem. is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Ellis Elem.?
41.4% of students at Ellis Elem. qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- Grades
- Pre-K – 5th
- Enrollment
- 360
- Student-Teacher Ratio
- 12.4:1
- Teachers (FTE)
- 29
- Type
- regular
- Setting
- Distant Rural
- County
- Clinton County
- Chronic Absenteeism (SY 2022-23)
- 4.7%
- Phone
- (816) 539-2187
- Area population (ZIP 64477)
- 3,459
- Area average commute
- 34.6 min
- Area median age
- 51.7
Official sources & links
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2024 MAP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: 2024 MAP. A newer release may be available.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2025 MAP · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- State assessments / EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 64477; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2024, multi-year average, 2009-2025; directory SY 2023–24
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