- Enrollment
- 4,604
- Students per teacher
- 17.8:1
- Resource Index
- 38/100
Elementary school (grades K-5) · Chicago, IL
Acero Chtr - Rufino Tamayo Elem
Federal NCES profile for Acero Chtr - Rufino Tamayo Elem, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataElementary school (grades K-5)NCES 170993006455Charter school
👥 S:T ratio 44
🌟 Gifted program 30
📋 Attendance 34
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Acero Chtr - Rufino Tamayo Elem earns 36/100 on the Resource Investment Index, with class sizes near the Illinois median. It is also less racially and ethnically mixed than most Illinois schools.
- #25 of 102
- elementary schools in Chicago · Resource Index
- 36
- Resource Index · Typical
- 14:1
- students per teacher
- 266
- students enrolled
Acero Chtr - Rufino Tamayo Elem has class sizes near the Illinois median. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Acero Chtr - Rufino Tamayo Elem ranks #25 of 102 elementary schools in Chicago, IL.
School address
District: City of Chicago Sd 299 · Illinois
NCES ID 170993006455 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-2 students YoY
Acero Chtr - Rufino Tamayo Elem held near 268 students from 2022-23 to 2023-24 (-2 headcount).
Teacher FTE lost 19.0 → 18.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-2 students YoY 170993006455 · Chicago, IL Elementary · SMALL · CHARTER
266 enr · 14:1 · RII 36
Nearest enrollment peer: Lane Technical High School (4,604 students)
Acero Chtr - Rufino Tamayo Elem held near 268 students from 2022-23 to 2023-24 (-2 headcount). Teacher FTE lost 19.0 → 18.0 across the same CCD years. Read with this school → · District book → · Illinois schools → · Find another →
Acero Chtr - Rufino Tamayo Elem in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Lane Technical
Lane Technical High School
4,604 students
- Taft High Scho
Taft High School
4,487 students
- Curie Metropol
Curie Metropolitan High School
3,099 students
- Kenwood Academ
Kenwood Academy High School
2,268 students
- Young Magnet H
Young Magnet High School
2,223 students
- This school 266
Acero Chtr - Rufino Tamayo Elem
266 students
What this shows Acero Chtr - Rufino Tamayo Elem reports 266 students on the CCD universe file.
How Acero Chtr - Rufino Tamayo Elem compares
Acero Chtr - Rufino Tamayo Elem held steady on CCD headcount: ratios and free-lunch share vs Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14:1 | ▼ 0% | 14:1 | 15.7:1 |
| Enrollment | 266 | top 70% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14:1
Leaner classes than 57% of US schools, a middle-of-the-pack class size.
266
Bigger than 28% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
14:1
students per teacher
- 0% above state mean
Top 56% in Illinois - lower ratio than 44% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
26.3%
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
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 99.6%
American Indian / Alaska Native 0.4%
Largest group: Hispanic or Latino at 99.6% of enrollment.
Student-body diversity index 0.8/100
Simpson diversity index - at 0.8, Acero Chtr - Rufino Tamayo Elem is less mixed than the Illinois school average of 38.9.
Programs
District finance for City of Chicago Sd 299 reports $22,699 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Acero Chtr - Rufino Tamayo Elem Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lane Technical High School | Larger | No free-lunch data | Higher S:T ratio |
| Taft High School | Larger | No free-lunch data | Higher S:T ratio |
| Curie Metropolitan High School | Larger | No free-lunch data | Higher S:T ratio |
| Kenwood Academy High School | Larger | No free-lunch data | Higher S:T ratio |
| Young Magnet High School | Larger | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Acero Chtr - Rufino Tamayo Elem's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 4,487
- Students per teacher
- 16.7:1
- Resource Index
- 41/100
- Enrollment
- 3,099
- Students per teacher
- 16.1:1
- Resource Index
- 32/100
- Enrollment
- 2,268
- Students per teacher
- 18.6:1
- Resource Index
- 34/100
- Enrollment
- 2,223
- Students per teacher
- 17.5:1
- Resource Index
- 52/100
Similar elementary schools in Chicago
6 comparable elementary schools (grades K-5) serving the same city.
Mount Greenwood Elem School
Standard public school
1,182 students 18.5:1 students per teacher
Eberhart Elem School
Standard public school
1,011 students 14.7:1 students per teacher
Kipp One Academy
Standard public school
996 students 10.9:1 students per teacher
Lyon Elem School
Standard public school
988 students 13.9:1 students per teacher
Kipp Chicago Chrtrs Bloom Campus
Standard public school
921 students 11.2:1 students per teacher
Bell Elem School
Standard public school
902 students 15.6:1 students per teacher
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 (~266 students)
Frequently asked questions about Acero Chtr - Rufino Tamayo Elem
How many students attend Acero Chtr - Rufino Tamayo Elem?
Acero Chtr - Rufino Tamayo Elem has 266 students enrolled. It is an elementary school in Chicago, IL. CCD year-over-year: 270 (2022-23) → 268 (2023-24), nearly flat (-2).
What is the student-teacher ratio at Acero Chtr - Rufino Tamayo Elem?
The student-teacher ratio at Acero Chtr - Rufino Tamayo Elem is 14:1, which is 0% higher than the Illinois average of 14:1 and 11% lower than the national average of 15.7:1.
What is the racial and ethnic makeup of Acero Chtr - Rufino Tamayo Elem?
The largest demographic group at Acero Chtr - Rufino Tamayo Elem is Hispanic or Latino at 99.6% of enrollment, in Chicago, IL.
What is the Resource Investment Index for Acero Chtr - Rufino Tamayo Elem?
Acero Chtr - Rufino Tamayo Elem has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Acero Chtr - Rufino Tamayo Elem rank among elementary schools in Chicago?
By Resource Investment Index, Acero Chtr - Rufino Tamayo Elem ranks #25 of 102 elementary 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 elementary schools in Chicago on the city page.
What other schools are in City of Chicago Sd 299?
Besides Acero Chtr - Rufino Tamayo Elem, 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.