High school (grades 9-12) · Miami, FL

Archimedean Upper Conservatory

Federal NCES profile for Archimedean Upper Conservatory, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 70/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 120039007456Charter school
0/100100/10070/100
👥 S:T ratio
47
📚 AP courses
90
🌟 Gifted program
70
📋 Attendance
73
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Archimedean Upper Conservatory earns 70/100 on the Resource Investment Index, with class sizes smaller than 83% of Florida schools.

#1 of 37
high schools in Miami · Resource Index
70
Resource Index · Higher
13.3:1
small classes for Florida
2.6%
free-lunch eligible

Archimedean Upper Conservatory has class sizes smaller than 83% of Florida schools. Computed live against every Florida school reporting to NCES.

By Resource Investment Index, Archimedean Upper Conservatory ranks #1 of 37 high schools in Miami, FL.

School address

Enrollment

306

Florida · 2024-25 NCES data

Teachers (FTE)

23.0

Federal CCD staff survey

Students per teacher

13.3:1

vs 17.8:1 Florida avg

-25% vs state

Free-lunch eligible

2.6%

vs 52.0% Florida avg

-95% vs state

Student-teacher ratio in context

How Archimedean Upper Conservatory compares with Florida and U.S. medians

Smaller classes than state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Archimedean Upper Conservatory

Archimedean Upper Conservatory is a lower-poverty, mid-sized charter high school in Miami, Florida, enrolling 306 students.

Class sizes run a bit leaner than typical: 13.3:1 puts it in the smaller third of Florida schools by student-teacher ratio.

Comparatively few students face economic hardship here, 2.6% free-meal eligibility runs 95% below the Florida average.

Enrollment of 306 puts it in the smaller third of Florida schools by headcount.

Its Resource Investment Index outscores 96% of the 3,996 Florida schools with a score on record, a top-tier result on this measure.

Against 46 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #9.

Its student body is led by Hispanic or Latino (78%) and Asian (9%) (diversity index 37/100).

On the academic-pipeline side it reports 18 Advanced Placement courses.

10.8% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.

Its district draws 19.5% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.

Miami-Dade also operates John a. Ferguson Senior High (4,291 students) and Coral Reef Senior High School (3,399 students) alongside Archimedean Upper Conservatory.

Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.

Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25

How Archimedean Upper Conservatory compares

Archimedean Upper Conservatory on the metrics families compare, against Florida and U.S. means.

Metric This school vs Florida Florida avg U.S. avg
Students per teacher 13.3:1 ▼ 25% 17.8:1 15.7:1
Free-lunch eligible 2.6% ▼ 95% 52.0% 51.7%
Enrollment 306 top 78% - -

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

13.3:1
Leaner classes than 64% of US schools, a middle-of-the-pack class size.
306
Bigger than 33% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
2.6%
free-lunch eligible - 95% below the Florida average of 52.0%
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
13.3:1
students per teacher - 25% below state mean
Top 17% in Florida - lower ratio than 83% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
10.8%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$12,258
per pupil, district-wide - above Florida avg of $11,167
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
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.

Overview

  • Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
  • Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
  • F-33 School District Finance Survey: the district-wide per-pupil spending figures below.

Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.

Student demographics

Hispanic or Latino 78.4%
Asian 9.2%
White 8.8%
African American 2.6%
Two or More 0.7%
American Indian / Alaska Native 0.3%

Largest group: Hispanic or Latino at 78.4% of enrollment.

Student-body diversity index 36.8/100

Simpson diversity index - at 36.8, Archimedean Upper Conservatory is less mixed than the Florida school average of 52.3.

Programs

AP courses offered 18
Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Miami-Dade, which includes Archimedean Upper Conservatory.

$12,258
Per student
+10%
vs Florida
Avg $11,167
-26%
vs U.S.
Avg $16,593
Revenue mix
Local 57.2%
State 23.3%
Federal 19.5%

Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.

How Archimedean Upper Conservatory Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
John a. Ferguson Senior High Larger Higher economic need Higher S:T ratio
Coral Reef Senior High School Larger Higher economic need Higher S:T ratio
South Dade Senior High School Larger Higher economic need Higher S:T ratio
Miami Senior High School Larger Higher economic need Higher S:T ratio
Hialeah Gardens Senior High School Larger Higher economic need Higher S:T ratio

Comparisons are relative to Archimedean Upper Conservatory's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Miami-Dade · 5 sibling schools

View district profile

Similar high schools statewide

Matched by enrollment size and by staffing ratio across all of Florida, not just this city - a different peer set than the local comparisons above.

Next steps

Verify locally before acting on Archimedean Upper Conservatory's federal record.

Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.

Frequently asked questions about Archimedean Upper Conservatory

How many students attend Archimedean Upper Conservatory?

Archimedean Upper Conservatory has 306 students enrolled. It is a high school in Miami, FL.

What is the student-teacher ratio at Archimedean Upper Conservatory?

The student-teacher ratio at Archimedean Upper Conservatory is 13.3:1, which is 25% lower than the Florida average of 17.8:1 and 15% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.

What percentage of students receive free lunch at Archimedean Upper Conservatory?

2.6% of students at Archimedean Upper Conservatory are eligible for free lunch, compared to the Florida average of 52.0%.

What is the racial and ethnic makeup of Archimedean Upper Conservatory?

The largest demographic group at Archimedean Upper Conservatory is Hispanic or Latino at 78.4% of enrollment, in Miami, FL.

What is the Resource Investment Index for Archimedean Upper Conservatory?

Archimedean Upper Conservatory has a Resource Investment Index of 70/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Archimedean Upper Conservatory rank among high schools in Miami?

By Resource Investment Index, Archimedean Upper Conservatory ranks #1 of 37 high schools in Miami, FL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Miami on the city page.

Is Archimedean Upper Conservatory a good school?

Archimedean Upper Conservatory earns 70/100 on the Resource Investment Index, with class sizes smaller than 83% of Florida schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.

What other schools are in Miami-Dade?

Besides Archimedean Upper Conservatory, Miami-Dade also operates John a. Ferguson Senior High (4,291 students), Coral Reef Senior High School (3,399 students), and South Dade Senior High School (3,382 students). See the Miami-Dade district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 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.

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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, or report a data error. Data current as of June 2026.