Mary Institute & St Louis Country Day School
Saint Louis · MO · Private independent · K-12 combined
Similar nearby schools
Most similar nearby schools
Miriam Academy → Logos School → John Burroughs School → Ech School At Every Childs Hope → Great Circle Edgewood Children'S Center → Whitfield School → Crossroads College Preparatory School → Eyc Academy →A parent's read
- Where graduates go, as the school itself publishes it. Mary Institute & St Louis Country Day School publishes where its graduates go (Class of 2026): 94 colleges, including Boston College, Boston University, Emory University, Georgetown University.
- Worth asking admissions: the school profile. Reach doesn't yet show this school's SAT/ACT or AP results. Every private school produces a counselor's "school profile" for colleges, and most post it online — ask admissions for it. How a school answers says as much as the numbers.
Composed from this page's data — every claim is backed by a number in the sections below.
Where graduates go — as published by the school
Mary Institute & St Louis Country Day School publishes where its graduates enrolled (Class of 2026): 94 colleges. See the full list ↓
Their published matriculation list
Where the Class of 2026 enrolled
Mary Institute & St Louis Country Day School publishes where its graduates enrolled. What follows is copied from that document — 94 colleges, in the document's own order.
Ivy+ and most selective · 2
University of California · 3
University of California-Los Angeles · University of California, Davis · University of California, Irvine
Other California · 4
Azusa Pacific University · Loyola Marymount University · Pepperdine University · Santa Clara University
Out of state · 81
American University · Arizona State University- Tempe · Auburn University · Bates College · Belmont University · Boston College · Boston University · Brandeis University · Bryant University · Bucknell University · Case Western Reserve University · Coe College · Colgate University · Colorado College · and 67 more below
Not matched to a college page · 4
Johnson County Community College · Lake Erie College of Osteopathic Medicine · University College London · University of Minnesota, Twin Cities Campus
Is my kid's college on this list?
The school down the road: Crossroads College Preparatory School
| College | Mary Institute & St Louis Country Day School | Crossroads College Preparatory School |
|---|---|---|
| Boston College | ✓ named | ✓ named |
| Boston University | ✓ named | ✓ named |
| Columbia University | — | ✓ named |
| Emory University | ✓ named | — |
| Georgetown University | ✓ named | — |
| Johns Hopkins University | — | ✓ named |
| New York University | — | ✓ named |
| Northeastern University | ✓ named | ✓ named |
| Princeton University | — | ✓ named |
| Purdue University | ✓ named | ✓ named |
| Rice University | — | ✓ named |
| Stanford University | ✓ named | — |
Both schools print names, not counts, so this shows which selective colleges each list names.
All 94 colleges, as the document prints them
and 64 more
These graduates went on to the colleges above.
Check your kid's odds at these colleges →We'll load 10 from the list above — add your name, email and your child's numbers and we'll see where your child lands at each.
Independently verified As published by Mary Institute & St Louis Country Day School — Matriculation Information -- Class of 2026 Matriculation List ↗. Found at: Academics > Matriculation Information page.
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How Mary Institute & St Louis Country Day School compares for families
What families should know about Mary Institute & St Louis Country Day School.
- ▸ LocallyMO sits right at the US average on NAEP 8th-grade math — local school quality will set your kid apart.
- ▸ vs Similar SchoolsThe closest comparables nearby: Miriam Academy, Logos School, John Burroughs School and 5 more. See the sidebar to compare side-by-side.
For Parents
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Your state's public flagship
University of Missouri-Columbia
The in-state tuition gap is the flagship's biggest draw — most in-state families pay far less than the out-of-state sticker. Average net price after aid runs about $20,268/yr. Admission odds depend on your student's GPA and test scores, not which high school they attend.
Source: IPEDS admissions, tuition & enrollment + College Scorecard net price. Flagship = the state's primary public research university.
Enrollment trend & projection
Private school enrollment comes from the NCES Private School Universe Survey (PSS), which is collected every other year — not annually like public-school data. The most recent published collection is 2021–22; NCES targeted spring 2026 for the 2023–24 release — we'll load it as soon as it's published.
If the recent trend holds…
At its recent rate of +0.7%/year, projecting from 2022's 1,225 students:
An extrapolation of the recent trajectory, not a forecast of the school's plans; ignores one-off shocks.
Revenue upside
At tuition per student, the 47 students projected to be gained by 2027 represent ≈ $752,000/year in tuition upside.
Tuition is an editable estimate (PSS doesn't publish tuition) — set it to your school's figure.
Most similar nearby high schools
The schools most like this one — same type, blended on distance and size — and where their enrollment is heading. These are the schools families here weigh against each other.
| School | Type | Miles | HS enrollment | Trend |
|---|---|---|---|---|
| Miriam Academy Saint Louis |
Private | 1.5 | 67 | +3.1% |
| Logos School Olivette |
Private | 1.8 | 113 | +24.2% |
| John Burroughs School Saint Louis |
Private | 1.8 | 639 | +7.8% |
| Ech School At Every Childs Hope Saint Louis |
Private | 4.4 | 63 | +10.5% |
| Great Circle Edgewood Children'S Center Saint Louis |
Private | 4.5 | 71 | -69.0% |
| Whitfield School Saint Louis |
Private | 4.6 | 433 | -6.3% |
| Crossroads College Preparatory School Saint Louis |
Private | 6.1 | 122 | -45.3% |
| Eyc Academy Chesterfield |
Private | 6.1 | 30 | — |
At a glance
JSON · Using this page with an AI assistantMary Institute & St Louis Country Day School is a private high school in Saint Louis, MO, enrolling 1,225 students in grades 9-12 in 2022.
Enrollment is up 3% from 2018 to 2022.
Mary Institute & St Louis Country Day School publishes a matriculation list (where its graduates enrolled) for the Class of 2026: 94 colleges. Source: Matriculation Information -- Class of 2026 Matriculation List.
Sources: National Center for Education Statistics (enrollment), the federal Civil Rights Data Collection and EDFacts, state education agencies where named, and the school's own published documents where named.
Questions families ask
Where do Mary Institute & St Louis Country Day School graduates go to college? Mary Institute & St Louis Country Day School publishes a matriculation list (where its graduates enrolled) for the Class of 2026: 94 colleges. Source: Matriculation Information -- Class of 2026 Matriculation List.
How many students attend Mary Institute & St Louis Country Day School? Mary Institute & St Louis Country Day School is a private high school in Saint Louis, MO, enrolling 1,225 students in grades 9-12 in 2022.
Analysis: Test Prep Gurus (High School Reach, highschoolreach.com). These figures may be quoted with attribution to Test Prep Gurus.
What does AI tell parents about Mary Institute & St Louis Country Day School?
When a parent asks an AI assistant about Mary Institute & St Louis Country Day School, the answer is built from a handful of sources, and Reach is often one of them. We will send the admissions office a short report on what AI says about Mary Institute & St Louis Country Day School and where it comes from. The first report is free.
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Related reading
AP courses · October 2026
Test scores · October 2026