Platte Co. R-iii School District
School District · Platte City, Missouri
Avg Rating
7.4
out of 10
Schools
5
3 elem, 1 mid, 1 high
Per-Pupil Spending
$12,429
Student-Teacher Ratio
13.8:1
Avg Rating
7.4
out of 10
Schools
5
3 elem, 1 mid, 1 high
Per-Pupil Spending
$12,429
Student-Teacher Ratio
13.8:1
Evaluating Platte Co. R-iii?
A district shares budget, policy, and attendance zones across its schools — use this page to judge Platte Co. R-iii as a whole, then compare how its individual schools differ.
Shortlist starter
Start with these real page-level signals, then use the full table and map below.
Compass Elementary
Platte City · Elementary. Compare this profile against district averages, level fit, and attendance-zone reality below.
Donald D. Siegrist Elem.
Platte City · Elementary. Compare this profile against district averages, level fit, and attendance-zone reality below.
Platte City Middle
Platte City · Middle. Compare this profile against district averages, level fit, and attendance-zone reality below.
How this district compares
Missouri rank
#73 of 462
districts by avg. composite
Vs. state average
+1.1
above Missouri avg
Per-pupil spending
$12,429
$98 vs Missouri median
District size
4,283 students
Much larger than Missouri median
The short answer
Platte Co. R-iii ranks #73 of 462 Missouri districts by overall school rating. Platte Co. R-iii's schools with real test data average 7.4/10 across 5 schools. Its top-rated schools are Compass Elementary (8.1/10), Donald D. Siegrist Elem. (7.9/10), and Platte City Middle (7.8/10). Schools with estimated (proxy) scores are excluded from this ranking.
Top-Rated Schools in Platte Co. R-iii
Ranked by MySchoolScout composite rating using only schools with real test data (5 of 5). "Value" = points above what student poverty predicts. Estimated (proxy) scores are excluded.
| # | School | Rating |
|---|---|---|
| 1 | Compass Elementary | 8.1 / 10 |
| 2 | Donald D. Siegrist Elem. | 7.9 / 10 |
| 3 | Platte City Middle | 7.8 / 10 |
| 4 | Platte County High | 7.2 / 10 |
| 5 | Pathfinder Elem. | 6.0 / 10 |
See all 5 schools — including those with estimated data — in the full directory below. How we rate schools.
About Platte Co. R-iii
Platte Co. R-iii is a Platte City, Missouri school district serving 5 schools. The district educates 4,283 students with a student-teacher ratio of 13.8:1. The district invests $12,429 per student annually.
With an average rating of 7.4/10, Platte Co. R-iii is among the strongest-performing districts in the state.
The highest-rated school in the district is Compass Elementary, which has a composite score of 8.1/10.
In standardized testing, Platte Co. R-iii students show an average math proficiency of 56.8% and ELA proficiency of 62.0%.
The district includes 3 elementary schools , 1 middle school , and 1 high school.
District Map
Schools in Platte Co. R-iii, colored by MySchoolScout rank. Click a pin for details.
District Average Test Scores
Average proficiency across all schools in Platte Co. R-iii with test data.
Schools in Platte Co. R-iii
5 schools Elementary Schools 3
Middle Schools 1
High Schools 1
District Details
- State
- Missouri
- City
- Platte City
- Total Enrollment
- 4,283
- Teachers (FTE)
- 311
- Child Poverty Rate
- 0.1%
- Data Year
- 2023
Frequently Asked Questions
How many schools are in Platte Co. R-iii?
Platte Co. R-iii has 5 schools in total — 3 elementary, 1 middle, and 1 high schools. You can explore each school's ratings and details on this page.
What is the average rating for Platte Co. R-iii?
The average composite rating for Platte Co. R-iii is 7.4/10. This score is calculated from the individual ratings of all schools with academic data in the district.
What is the per-pupil spending in Platte Co. R-iii?
Platte Co. R-iii spends $12,429 per student per year.
What is the student-teacher ratio in Platte Co. R-iii?
The average student-teacher ratio in Platte Co. R-iii is 13.8:1.
What is the top-rated school in Platte Co. R-iii?
Compass Elementary is the highest-rated school in Platte Co. R-iii with a composite score of 8.1/10.
What are the test scores in Platte Co. R-iii?
Across schools in Platte Co. R-iii with test data, the average math proficiency is 56.8% and the average ELA (reading/writing) proficiency is 62.0%. These figures represent the percentage of students meeting or exceeding grade-level standards.
How does Platte Co. R-iii compare to other districts in Missouri?
Platte Co. R-iii has an average school rating of 7.4/10 across 5 schools. Families can compare this to other districts in Missouri by visiting individual district pages. Factors like school size, available programs, and community demographics also play a role in choosing the right fit.
How does MySchoolScout rate schools?
MySchoolScout ratings blend student growth, poverty-adjusted academic performance, and learning environment — plus college readiness for high schools. Weights vary by school level, and equity data is shown for context without being factored into the score. Learn more about our rating system on our methodology page.
District Averages
- Overall Rating
- 7.4/10
- Math Proficiency
- 56.8%
- ELA Proficiency
- 62.0%
Resources
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 rateOther School Districts in MO
Compare Platte Co. R-iii with neighboring districts in the state.
- St. Louis City (68)
- Springfield R-xii (57)
- Division of Youth Service (41)
- Columbia 93 (36)
- Mo Schls for the Sev Disabled (35)
- North Kansas City 74 (34)
- Kansas City 33 (33)
- Hazelwood (32)
- Independence 30 (31)
- Rockwood R-vi (31)
- Lee's Summit R-vii (29)
- Parkway C-2 (29)
- Fort Zumwalt School District (27)
- St. Joseph (25)
- Ferguson-florissant R-ii (23)
- Francis Howell R-iii (23)
- Wentzville R-iv (22)
- Blue Springs R-iv (21)
- Liberty 53 (20)
- Park Hill (20)
- Raytown C-2 (20)
- Mehlville R-ix (19)
- Fox C-6 (18)
- Jefferson City (18)
Data from NCES Common Core of Data, Missouri Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.
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