Other / mixed grade configuration · Chicago, IL

Mason Elem School

Federal NCES profile for Mason Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 27/100.

2024-25 NCES dataOther / mixed grade configurationNCES 170993000944
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Compiled from official source data by .
0/100100/10027/100
🌟 Gifted program
30
🎓 Counselors
52
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Mason Elem School earns 27/100 on the Resource Investment Index on federal resource data.

#254 of 394
schools in Chicago · Resource Index
27
Resource Index · Lower
241
students enrolled

By Resource Investment Index, Mason Elem School ranks #254 of 394 schools in Chicago, IL.

School address

Chicago, IL 60623
District: City of Chicago Sd 299 · Illinois

NCES ID 170993000944 Verify on NCES CCD record →

NCES CCD universe card

School universe 170993000944 · Chicago, IL Other · SMALL · TRAD

241 enr · RII 27

Nearest enrollment peer: Lane Technical High School (4,604 students)

Resource Investment Index #254 of 394 schools in Chicago. NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Illinois schools → · Find another →

Mason Elem School in the enrollment neighbourhood

Fall enrollment among this campus and nearest district peers

students

What this shows Mason Elem School reports 241 students on the CCD universe file.

Source U.S. Department of Education, NCES Common Core of Data (Public School Universe) As of 2024-25

How Mason Elem School compares

Mason Elem School on the metrics families compare, against Illinois and U.S. means.

Metric This school vs Illinois Illinois avg U.S. avg
Enrollment 241 top 75% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

241
Bigger than 24% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Engagement
56.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$22,699
per pupil, district-wide - above Illinois avg of $18,196
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 241 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 20 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 8.7 per 100 students. Reported via the Civil Rights Data Collection.

Student demographics

African American 81.7%
Hispanic or Latino 17.0%
White 1.2%

Largest group: African American at 81.7% of enrollment.

Student-body diversity index 30.3/100

Simpson diversity index - at 30.3, Mason Elem School is less mixed than the Illinois school average of 38.9.

Programs

Funding & spending

District-wide per-pupil expenditure for City of Chicago Sd 299, which includes Mason Elem School.

$22,699
Per student
+25%
vs Illinois
Avg $18,196
+29%
vs U.S.
Avg $17,658
Revenue mix
Local 52.8%
State 29.9%
Federal 17.4%

Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.

How Mason Elem School Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Lane Technical High School Larger No free-lunch data No ratio data
Taft High School Larger No free-lunch data No ratio data
Curie Metropolitan High School Larger No free-lunch data No ratio data
Kenwood Academy High School Larger No free-lunch data No ratio data
Young Magnet High School Larger No free-lunch data No ratio data

Comparisons are relative to Mason Elem School's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

City Of Chicago Sd 299 · 5 sibling schools

View district profile

Similar other schools in Chicago

6 comparable other schools (grades Mixed) serving the same city.

Lane Technical High School
Standard public school
4,604 students 17.8:1 students per teacher
Taft High School
Standard public school
4,487 students 16.7:1 students per teacher
Kenwood Academy High School
Standard public school
2,268 students 18.6:1 students per teacher
Young Magnet High School
Standard public school
2,223 students 17.5:1 students per teacher
Disney Elem Magnet School
Standard public school
1,384 students 15.2:1 students per teacher
Morgan Park High School
Standard public school
1,349 students 19:1 students per teacher

Nationwide other 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 (~241 students)

Frequently asked questions about Mason Elem School

How many students attend Mason Elem School?

Mason Elem School has 241 students enrolled. It is a public school in Chicago, IL.

What is the racial and ethnic makeup of Mason Elem School?

The largest demographic group at Mason Elem School is African American at 81.7% of enrollment, in Chicago, IL.

What is the Resource Investment Index for Mason Elem School?

Mason Elem School has a Resource Investment Index of 27/100 (lower reported resources relative to schools nationally) based on 3 factors: gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Mason Elem School rank among schools in Chicago?

By Resource Investment Index, Mason Elem School ranks #254 of 394 schools in Chicago, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Chicago on the city page.

What other schools are in City of Chicago Sd 299?

Besides Mason Elem School, City of Chicago Sd 299 also operates Lane Technical High School (4,604 students), Taft High School (4,487 students), and Curie Metropolitan High School (3,099 students). See the City of Chicago Sd 299 district page for the complete list.

Read our methodology - how this data is sourced, computed, and verified.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2022-23) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

Compiled from official source data by .

Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error. Data current as of August 2026.