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Academics

Entrance Exam

  • St. AgnesISEE (School code 443420; up to 2 scores; first attempt before Dec 1 (ERB rule))
  • FrassatiHSPT or ISEE (Either test is accepted. On-campus HSPT: Jan 9 + Jan 23, 2027. ERB member 571107. Transfers may substitute PSAT.)
  • St. Catherine'sNone (No admission test. Inquiry → adults-only tour → director meeting → application ($150) + records + lesson samples → student classroom visit. 9th graders enter the Adolescent Community (gr 7-9); High School entry is gr 10-12.)
  • St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)

Recommendations

  • St. AgnesEnglish + Math teachers (due Jan 14, 2027)
  • Frassati3 — Principal/Counselor, English, Math (via FACTS); transcripts 6th-8th
  • St. Catherine'sNot Published
  • St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8

World Languages

  • St. AgnesNot Published
  • FrassatiFrench (through AP; Bordeaux/Lourdes exchange) · Spanish (through AP)
  • St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships
  • St. ThomasFrench · Spanish · Mandarin · Latin

AP Courses

  • St. Agnes25
  • FrassatiNot Published
  • St. Catherine'sNot Published
  • St. Thomas21 (40+ advanced/AP courses overall)

Dual Credit

  • St. AgnesNot Published
  • FrassatiYes (University of St. Thomas (one course/yr) + Catholic University of America (entrepreneurship))
  • St. Catherine'sNot Published
  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)

Academic Model

  • St. AgnesNot Published
  • FrassatiNot Published
  • St. Catherine'sAMI-accredited Catholic Montessori adolescent program — four integrated areas (Theology, Integrated Humanities, Integrated Sciences, Mathematics); internships (Houston Methodist, law/design firms), university partnerships (St. Thomas, Texas A&M AgriLife), independent study; graduates build a "body of work" (No AP program; university partnerships and internships serve the advanced-work role.)
  • St. ThomasNot Published

AP Exams Scored 3+

  • St. Agnes97 (% of AP exams scored 3+)
  • FrassatiNot Published
  • St. Catherine'sNot Published
  • St. ThomasNot Published

Application Deadline

  • St. AgnesNot Published
  • FrassatiNot Published
  • St. Catherine'sNot Published
  • St. Thomas2027-01-15 (Opens Aug 3, 2026; supporting docs due Jan 31; rolling after)

Family Interview

  • St. AgnesNot Published
  • FrassatiYes (~30 min, student + parents with faculty — Jan 23 (8am-3pm) or Jan 28 (3-5pm), 2027; signups Nov 2026.)
  • St. Catherine'sNot Published
  • St. ThomasNot Published

Honors Courses

  • St. Agnes12
  • FrassatiNot Published
  • St. Catherine'sNot Published
  • St. ThomasNot Published

Language Credits Required

  • St. Agnes2
  • FrassatiNot Published
  • St. Catherine'sNot Published
  • St. ThomasNot Published

Learning Support

  • St. AgnesNot Published
  • FrassatiNot Published
  • St. Catherine'sNot Published
  • St. ThomasLearning Enrichment Center; college counseling with 4-year plan

Notable Programs

  • St. AgnesNot Published
  • FrassatiPhysics-first science sequence; Ethics & Culture department; House System
  • St. Catherine'sNot Published
  • St. ThomasNot Published

Robotics

  • St. AgnesSpectrum 3847 — 12 consecutive FIRST Championship appearances
  • FrassatiNot Published
  • St. Catherine'sNot Published
  • St. ThomasNot Published

Test Score Deadline

  • St. Agnes2027-02-01
  • FrassatiNot Published
  • St. Catherine'sNot Published
  • St. ThomasNot Published
Commute from home
Tuition
$28,400

2026-27 rate

$24,050

2026-27 rate

$20,560

2026-27 rate · 9th grade; grades 10-12: $20,753

$27,900

2026-27 rate

What's included
Fees listed separately see fees
  • Application fee: $75 ($125 for transfer applicants)
  • Enrollment deposit: $500
  • Tablet PC (technology): $1,725
  • AP test fee: $105 (per AP / Honors-AP class) — optional
  • Senior fee: $350 (seniors only) — optional
  • Athletics fee: $150 (per sport) — optional
Included in tuition see list
  • Technology fee ($500)
  • Registration ($300)
  • Student activities ($400)
  • Textbooks ($650)

Charged separately:

  • Application fee: $75–$125
  • Enrollment deposit (new families): $700
  • Athletics & Fine Arts fee: $250 (per sport/season) — optional
Fees listed separately see fees
  • Application fee: $150
  • Tuition deposit: $750
  • New Student Fee: $850
  • Facility fee: $800
  • Program fee: $2,500–$2,750
Included in tuition see list
  • Laptop & technology

Charged separately:

  • Application fee: $75
  • Registration fee: $700
  • Camp Aquinas (freshman retreat): $650 (freshmen)
  • Class retreat: $325 (returning/transfer students)
  • Books: $550
  • Athletics fee: $250 (per sport) — optional
  • AP exam: $99 (per course) — optional
Sibling discountNot Published$3,000 off 2nd student; $9,425 off 3rd (tuition only)10% off for each younger sibling$2,000/yr per sibling after the first
Lower school on campusHS onlyHS only
Yes

14 months–12th (Montessori)

HS only
Open houseNot postedOct 28, 2026Not postedDec 6, 2026
Required test
ISEE

Offered on campus: Nov 14, 2026

HSPT or ISEE

Offered on campus: Jan 9, 2027 · Jan 23, 2027

None
ISEE

Offered on campus: Nov 14, 2026 · Jan 9, 2027

Application deadlineNot postedNot postedJan 15, 2027Jan 15, 2027
Decision dateNot postedNot postedMar 5, 2027Mar 5, 2027
Financial aid
Need-based

No merit scholarships

Need-based
Need-based
Need-based + Merit
AP courses25Not postedNot posted21
Enrollment93436423791
Student:Teacher9:111:114.4:19:1
Mass
Weekly

Thursdays, 9:10 AM

Weekly

Thursdays, 9:15 AM

Monthly
Monthly
Sports12 sports13 sports6 sports12 sports
Links

“Not posted” means the school hasn’t published it yet for this admissions cycle — check each school’s full profile for sources.