- Enrollment
- 1,999
- Students per teacher
- 16.7:1
- Resource Index
- 38/100
Elementary school (grades K-5) · Lee's Summit, MO
Mason Elem.
Federal NCES profile for Mason Elem., including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataElementary school (grades K-5)NCES 291830000979
👥 S:T ratio 29
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 86
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mason Elem. earns 46/100 on the Resource Investment Index, with class sizes larger than 94% of Missouri schools.
- #15 of 17
- elementary schools in Lee's Summit · Resource Index
- 46
- Resource Index · Typical
- 17.7:1
- large classes for Missouri
- 6.8%
- free-lunch eligible
Mason Elem. has class sizes larger than 94% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Mason Elem. ranks #15 of 17 elementary schools in Lee's Summit, MO.
School address
District: Lee's Summit R-Vii · Missouri
NCES ID 291830000979 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+20 students YoY
Mason Elem. held near 505 students from 2022-23 to 2023-24 (+20 headcount).
Teacher FTE added 29.5 → 30.6 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+20 students YoY 291830000979 · Lee's Summit, MO Elementary · MID · TRAD
512 enr · 17.7:1 · 6.8% lunch · RII 46
Nearest enrollment peer: Lee's Summit West High (1,999 students)
Mason Elem. held near 505 students from 2022-23 to 2023-24 (+20 headcount). Teacher FTE added 29.5 → 30.6 across the same CCD years. Read with this school → · District book → · Missouri schools → · Find another →
Mason Elem. in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Lee's Summit W
Lee's Summit West High
1,999 students
- Lee's Summit S
Lee's Summit Sr. High
1,989 students
- Lee's Summit N
Lee's Summit North High
1,940 students
- East Trails Mi
East Trails Middle School
1,051 students
- Bernard C. Cam
Bernard C. Campbell Middle
1,043 students
- This school 512
Mason Elem.
512 students
What this shows Mason Elem. reports 512 students on the CCD universe file.
How Mason Elem. compares
Mason Elem. held steady on CCD headcount: ratios and free-lunch share vs Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.7:1 | ▲ 38% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 6.8% | ▼ 85% | 46.1% | 51.7% |
| Enrollment | 512 | top 21% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.7:1
Leaner classes than 26% of US schools, heavier class loads than most.
512
Bigger than 63% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
6.8%
free-lunch eligible
- 85% below the Missouri average of 46.1%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17.7:1
students per teacher
- 38% above state mean
Top 94% in Missouri - lower ratio than 6% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
5.7%
chronically absent (missed 10%+ of school days)
In the 5-10% range, close to the pre-pandemic national baseline.
Funding equity
$13,841
per pupil, district-wide
- below Missouri avg of $14,087
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 512 students, the combined health-and-guidance staffing load for this school.
Discipline context
6
in-school suspensions + 3 out-of-school
Suspension rate: 1.2 per 100 students. Combined in-school and out-of-school rate: 1.8 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 76.0%
African American 9.2%
Two or More 7.4%
Hispanic or Latino 5.9%
Asian 1.4%
American Indian / Alaska Native 0.2%
Largest group: White at 76.0% of enrollment.
Student-body diversity index 40.5/100
Simpson diversity index - at 40.5, Mason Elem. is more mixed than the Missouri school average of 31.0.
Programs
Gifted & talented Yes
District finance for Lee's Summit R-Vii reports $13,841 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Mason Elem. Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lee's Summit West High | Larger | Similar economic need | Similar S:T ratio |
| Lee's Summit Sr. High | Larger | Similar economic need | Lower S:T ratio |
| Lee's Summit North High | Larger | Higher economic need | Similar S:T ratio |
| East Trails Middle School | Larger | Similar economic need | Lower S:T ratio |
| Bernard C. Campbell Middle | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Mason Elem.'s own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,989
- Students per teacher
- 14:1
- Resource Index
- 38/100
- Enrollment
- 1,940
- Students per teacher
- 16.4:1
- Resource Index
- 38/100
- Enrollment
- 1,051
- Students per teacher
- 15.7:1
- Resource Index
- 37/100
- Enrollment
- 1,043
- Students per teacher
- 14.7:1
- Resource Index
- 37/100
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~512 students)
Frequently asked questions about Mason Elem.
How many students attend Mason Elem.?
Mason Elem. has 512 students enrolled. It is an elementary school in Lee's Summit, MO. CCD year-over-year: 485 (2022-23) → 505 (2023-24), nearly flat (+20).
What is the student-teacher ratio at Mason Elem.?
The student-teacher ratio at Mason Elem. is 17.7:1, which is 38% higher than the Missouri average of 12.8:1 and 13% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Mason Elem.?
6.8% of students at Mason Elem. are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Mason Elem.?
The largest demographic group at Mason Elem. is White at 76.0% of enrollment, in Lee's Summit, MO.
What is the Resource Investment Index for Mason Elem.?
Mason Elem. has a Resource Investment Index of 46/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mason Elem. rank among elementary schools in Lee's Summit?
By Resource Investment Index, Mason Elem. ranks #15 of 17 elementary schools in Lee's Summit, MO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Lee's Summit on the city page.
What other schools are in Lee's Summit R-Vii?
Besides Mason Elem., Lee's Summit R-Vii also operates Lee's Summit West High (1,999 students), Lee's Summit Sr. High (1,989 students), and Lee's Summit North High (1,940 students). See the Lee's Summit R-Vii district page for the complete list.