Top Rankings
Platte County R-III School District ranks among the top 20% of public school district in Missouri for:
Category
Attribute
Overall Rank
Highest overall rank (Top 20%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 20%)
Science Proficiency
Highest science proficiency (Top 10%)
Graduation Rate
Highest graduation rate (Top 20%)
Diversity
Most diverse schools (Top 1%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2025 school year, there are 8 public schools serving 4,283 students in Platte County R-III School District. This district's average testing ranking is 9/10, which is in the top 20% of public schools in Missouri.
Public Schools in Platte County R-III School District have an average math proficiency score of 45% (versus the Missouri public school average of 39%), and reading proficiency score of 57% (versus the 43% statewide average).
Minority enrollment is 29% of the student body (majority Black and Hispanic), which is less than the Missouri public school average of 32% (majority Black).
Overview
This School District
This State (MO)
# Schools
8 Schools
2,477 Schools
# Students
4,283 Students
891,649 Students
# Teachers
312 Teachers
69,803 Teachers
Student : Teacher Ratio
14:1
14:1
Student By Grade
District Rank
Platte County R-III School District, which is ranked within the top 20% of all 553 school districts in Missouri (based off of combined math and reading proficiency testing data) for the 2021-2022 school year.
The school district's graduation rate of 92% has decreased from 95% over five school years.
Overall District Rank
#88 out of 557 school districts
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
45%
39%
Reading/Language Arts Test Scores (% Proficient)
54%
43%
Science Test Scores (% Proficient)
52%
38%
Graduation Rate
92%
90%
Students by Ethnicity:
Diversity Score
0.47
0.51
% American Indian
1%
n/a
% Asian
3%
2%
% Hispanic
10%
8%
% Black
12%
15%
% White
71%
68%
% Hawaiian
1%
1%
% Two or more races
2%
6%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $21,734 is higher than the state median of $15,081. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $12,813 is less than the state median of $13,908. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$93 MM
$13,447 MM
Spending
$55 MM
$12,401 MM
Revenue / Student
$21,734
$15,081
Spending / Student
$12,813
$13,908
Best Platte County R-III School District Public Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Compass Elementary School
(Math: 52% | Reading: 63%)
Rank:
Rank:
9/
Top 20%10
401 Kentucky
Platte City, MO 64079
(816) 858-0712
Platte City, MO 64079
(816) 858-0712
Grades: PK-5
| 532 students
Rank: #22.
Donald D. Siegrist Elementary School
(Math: 56% | Reading: 58%)
Rank:
Rank:
9/
Top 20%10
1701 Branch St
Platte City, MO 64079
(816) 858-5977
Platte City, MO 64079
(816) 858-5977
Grades: PK-5
| 607 students
Rank: #33.
Platte City Middle School
(Math: 51% | Reading: 55%)
Rank:
Rank:
9/
Top 20%10
900 Pirate Dr
Platte City, MO 64079
(816) 858-2036
Platte City, MO 64079
(816) 858-2036
Grades: 6-8
| 669 students
Rank: #44.
Platte County High School
(Math: 33% | Reading: 63%)
Rank:
Rank:
7/
Top 50%10
1501 Branch St
Platte City, MO 64079
(816) 858-2822
Platte City, MO 64079
(816) 858-2822
Grades: 9-12
| 1,336 students
Rank: #55.
Pathfinder Elementary School
(Math: 39% | Reading: 43%)
Rank:
Rank:
6/
Top 50%10
1951 Nw 87th Terr
Kansas City, MO 64154
(816) 436-6670
Kansas City, MO 64154
(816) 436-6670
Grades: PK-5
| 407 students
Rank: n/an/a
2001 Nw 87th Terr
Kansas City, MO 64154
(816) 436-9623
Kansas City, MO 64154
(816) 436-9623
Grades: PK-5
| 374 students
Rank: n/an/a
Northland Career Center
Vocational School
1801 Branch St
Platte City, MO 64079
(816) 858-5505
Platte City, MO 64079
(816) 858-5505
Grades: 9-12
| n/a students
Rank: n/an/a
9400 N Platte Purchase Dr
Kansas City, MO 64155
(816) 436-1433
Kansas City, MO 64155
(816) 436-1433
Grades: 6-8
| 358 students
Frequently Asked Questions
How many schools belong to Platte County R-III School District?
Platte County R-III School District manages 8 public schools serving 4,283 students.
What is the rank of Platte County R-III School District?
Platte County R-III School District is ranked #75 out of 553 school districts in Missouri (top 20%) based off of combined math and reading proficiency testing data for the 2021-2022 school year. This district ranks in the top 20% of Missouri school districts for: Highest overall rank (Top 20%), Highest reading/language arts proficiency (Top 20%), Highest science proficiency (Top 10%), Highest graduation rate (Top 20%), Most diverse schools (Top 1%) and Largest student body (number of students) (Top 1%)
What is the racial composition of students in Platte County R-III School District?
71% of Platte County R-III School District students are White, 12% of students are Black, 10% of students are Hispanic, 3% of students are Asian, 2% of students are Two or more races, 1% of students are American Indian, and 1% of students are Hawaiian.
What is the student/teacher ratio of Platte County R-III School District?
Platte County R-III School District has a student/teacher ratio of 14:1, which is higher than the Missouri state average of 13:1.
What is Platte County R-III School District's spending/student ratio?
The school district's spending/student of $12,813 is less than the state median of $13,908. The school district spending/student has stayed relatively flat over four school years.
Recent Articles

Parents’ Guide to Special Education
Special education law is not easy to decipher, with several regulations that govern special education services for disabled students. In this article, learn about the core components of the laws, rights, and individual education plans that can help create the best public school environment for your child.

Surveillance Cameras: Violation of Rights or Improved Security?
A school district in Virginia has given the green light to schools that want to install surveillance cameras in common areas like cafeterias and hallways. We’ll look at whether this is a violation of student privacy or the best way to keep order in schools.

Teachers in 19 States Allowed to Physically Punish Students
As of 2014, nineteen states still allow corporal punishment – spanking and paddling the most common choices – in their public schools. However, some argue that not only are these punishments physically harmful, they also are disproportionately administered to students of color. As a result, House democrats have taken up the issue in a new bill that would ban all forms of corporal punishment nationwide.