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SCHOOL COMMUNITY·LEE'S SUMMIT R-VII·NCES 291830000979

MASON ELEM.

27600 COLBERN RD, LEE'S SUMMIT, MO 64086 · (816) 986-2330 · Jackson County
GRADES KG–05ELEMENTARY21-SUBURBREGULAR SCHOOL512 STUDENTS
B+
allk12 Grade
Scored higher than 66% of Missouri public elementary schools
  • A-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • BBeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • DThree-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Missouri public elementary schools

Enrollment
512
Elementary
DISTRICT 404 · STATE 315
Student : Teacher
15.8:1
32 FTE teachers
DISTRICT 13.9:1 · STATE 12.4:1
Free / Reduced Lunch
15%
79 students
DISTRICT 25% · STATE 54%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Kindergarten7715%
Grade 17815%
Grade 28517%
Grade 38617%
Grade 49919%
Grade 58717%

This year's kindergarten class (77) is 11% smaller than its 5th grade class (87).

Student demographics
41%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 55% · STATE 52% · US 70%
White
38976%
DISTRICT 64% · STATE 67% · US 43%
Hispanic
306%
DISTRICT 10% · STATE 9% · US 30%
Black
479%
DISTRICT 14% · STATE 15% · US 15%
Asian
71%
DISTRICT 2% · STATE 2% · US 6%
Two+
387%
DISTRICT 9% · STATE 6% · US 5%
Native American
10%
DISTRICT 0% · STATE 0% · US 1%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
26752%
Female
24548%

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Test scores

MAP 2024-25 . % Proficient + Advanced
English Language Arts
56.6%
MO avg 44.9% . -4.5pp since 2021
Math
51.2%
MO avg 43.8% . -8.2pp since 2021

What this means: On the MAP, Missouri's statewide test, about 57 of every 100 students at this school read and write at grade level and about 51 of 100 do math at grade level. Across all Missouri schools, those numbers are about 45 and 44. Reading and writing scores are down about 5 points since 2021, while math scores are down about 8 points.

Performance levels, 2024-25

SubjectAdvancedProficientBasicBelow Basic
English Language Arts28.1%28.5%31.1%12.1%
Math21.2%30.0%30.0%18.6%
Share of tested students at each MAP level. Each student counts in one level, so a row adds to about 100%.

MAP results by year

School yearEnglish Language ArtsMath
2024-2556.6%51.2%
2023-2464.5%55.1%
2022-2361.2%60.8%
2021-2261.1%59.4%
% Proficient + Advanced, all students and all tested grades.
Source: MAP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
57.6%
composite math + reading, all grades
Predicted
54.1%
based on MO schools with similar FRL share
Beats by
+3.5pp
above demographic expectation

What this means: About 58% of students here test proficient in math and reading, compared with the roughly 54% typical for Missouri schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Missouri's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like MASON ELEM.

MASON ELEM.'s state test result (57.6% proficient) is higher than 3 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
MASON ELEM. this school51215.4%57.6%
MOUNT HOPE ELEM.
O'FALLON
44415.5%52.3%
CRESTWOOD ELEM.
ST LOUIS
45712.5%58.2%
GEORGE R. ROBINSON ELEM.
KIRKWOOD
46313.8%51.6%
VOY SPEARS JR. ELEM.
LEE'S SUMMIT
54613.7%78.4%
LAKEVIEW ELEMENTARY
WENTZVILLE
59916.4%54.1%
Matched among Missouri elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where MASON ELEM. ranks

Among elementary schools
MeasureThis schoolIn MissouriIn Jackson County
State test proficiency
ranked highest first
57.6%#172 of 1,002#11 of 126
Math proficiency
ranked highest first
51.2%#308 of 1,019
▼ 67
#22 of 126
▼ 5
Reading proficiency
ranked highest first
56.6%#209 of 1,018
▼ 120
#15 of 126
▼ 7
3-year test score change
ranked biggest drop first
-6.4pp#157 of 943#26 of 124
Enrollment
ranked largest first
512#145 of 1,294#23 of 139
Students per teacher
ranked fewest first
15.8:1#881 of 950#114 of 124
Diversity index
ranked most diverse first
40.5%#445 of 953#105 of 124
Free and reduced lunch
ranked highest share first
15.4%#1,066 of 1,165#127 of 136
Enrollment change since 2017-18
ranked fastest growth first
+8.5%#124 of 251#20 of 37
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
512
+14 (+3%) vs 2020
+28% since 1990-91, when it was 400
Student : Teacher
15.8:1
was 16.1:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2551232.415.8:115% (79)
2023-2450530.616.5:112% (61)
2022-2348529.516.4:19% (45)
2020-214983116.1:112% (62)
2017-1847228.916.3:115% (72)
2015-164472716.6:114% (64)
2010-113681919.4:19% (33)
2000-013372314.7:19% (32)
1990-914002119.1:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for MASON ELEM..

Since 2017-18: students up 8% (472 to 512); teachers up 12% (28.9 to 32.4).

About MASON ELEM.

MASON ELEM. is a large elementary school located in LEE'S SUMMIT, Missouri. Its enrollment is 512 students, spread over kindergarten through 5. On average, elementary schools in Missouri enroll around 315, and this school is 63% above that mark.

A total of 28 schools make up LEE'S SUMMIT R-VII, with 17,695 students enrolled.

White students are 76% of those enrolled at MASON ELEM.. Beyond that, enrollment is 9% Black, 7% multiracial, and 6% Hispanic. In Jackson County overall, about 62% of residents are White. On a 0 to 100 scale, the school's diversity index is 41, compared with 70 nationally.

Its staff includes 32.4 full-time-equivalent teachers, for about 15.8 students per teacher. The average for elementary schools in Missouri, 12.4:1, is lower. MASON ELEM. has a free or reduced-price lunch rate of 15%. Among public schools in Jackson County, the average eligibility rate is 60%.

On the allk12 Grade, MASON ELEM. lands at B+, ahead of 66% of Missouri public elementary schools.

In Missouri, MASON ELEM. is in the middle band of BeatsExpectations: 57.6% actual against a predicted 54.1%.

In Jackson County, home to about 719,976 people, the median household earns about $68,577 a year, a bachelor's degree or higher is held by about 34% of adults, and the poverty rate is about 10%. MASON ELEM. shares Jackson County with 243 other public schools.

CORDILL-MASON ELEM. is about 2.5 miles away, making it the nearest public school. Other public schools within five miles number at least 8. On average proficiency, MASON ELEM. is 2nd of 7 nearby schools with test data.

By NCES locale, the school is Suburb: Large, or in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

Enrollment was 512 in 2024-25. In 2020-21, it was 498.

Anyone can start a thread about fundraisers, report cards, and school supplies at MASON ELEM.. Teachers and staff are welcome to share updates too.

Jackson County at a glance

View full county profile
Population
719,976
Census ACS
Median income
$68,577
Household, ACS
Bachelor's+
34%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
244
105,714 students

Quick facts

School name
MASON ELEM.
District
LEE'S SUMMIT R-VII
Address
27600 COLBERN RD, LEE'S SUMMIT, MO 64086
Phone
(816) 986-2330
County
Jackson County
Level
Elementary
Grade range
KG–05
Total enrollment
512
Teachers (FTE)
32
Student–teacher ratio
15.8:1
Free and reduced lunch
79 (15%)
Locale
21-Suburb: Large
NCES ID
291830000979
Charter school
No
Virtual school
No

Related schools

Other schools in LEE'S SUMMIT R-VII
Other schools in LEE'S SUMMIT
Other MASON Elementary schools

8 other US public schools in 8 states are named MASON Elementary. MASON ELEM. is the 3rd largest of the 9.

Nearby schools

Frequently asked questions

About MASON ELEM.
How many students attend MASON ELEM.?
MASON ELEM. enrolls approximately 512 students in grades KG-05.
What grades does MASON ELEM. serve?
MASON ELEM. serves grades KG-05.
How many teachers does MASON ELEM. have?
MASON ELEM. employs 32 FTE teachers, for a student-to-teacher ratio of 15.8:1.
What is the student diversity at MASON ELEM.?
Student demographics at MASON ELEM. are roughly 76% White, 6% Hispanic, 9% Black, 1% Asian, 7% Two or more.
What district is MASON ELEM. in?
MASON ELEM. is part of LEE'S SUMMIT R-VII.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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