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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.)
  • DuchesneISEE (Administered externally; campus tour + family interview also required)

Recommendations

  • St. AgnesEnglish + Math teachers (due Jan 14, 2027)
  • Frassati3 — Principal/Counselor, English, Math (via FACTS); transcripts 6th-8th
  • St. Catherine'sNot Published
  • DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts

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
  • DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III

AP Courses

  • St. Agnes25
  • FrassatiNot Published
  • St. Catherine'sNot Published
  • Duchesne20 (AP enrollment caps: soph 1 / jr 2 / sr 3; AP exam required if enrolled)

Dual Credit

  • St. AgnesNot Published
  • FrassatiYes (University of St. Thomas (one course/yr) + Catholic University of America (entrepreneurship))
  • St. Catherine'sNot Published
  • DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)

Honors Courses

  • St. Agnes12
  • FrassatiNot Published
  • St. Catherine'sNot Published
  • Duchesne12 (Called "Advanced" courses)

Notable Programs

  • St. AgnesNot Published
  • FrassatiPhysics-first science sequence; Ethics & Culture department; House System
  • St. Catherine'sNot Published
  • DuchesneRobotics and competitive debate programs; IT internship with Microsoft certification; junior Research Paper requirement

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.)
  • DuchesneNot Published

AP Exams Scored 3+

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

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
  • DuchesneNot Published

Language Credits Required

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

Robotics

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

Test Score Deadline

  • St. Agnes2027-02-01
  • FrassatiNot Published
  • St. Catherine'sNot Published
  • DuchesneNot 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

$33,600

2026-27 rate · Upper School

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
Fees listed separately see fees
  • New Student Fee: $1,500
  • Enrollment deposit: $1,000
  • Technology fee (Grade 9): $2,600
  • Textbooks: $350 (approximate, Upper School)
  • Grade 10 College Tour: $500 (grade 10)
  • Graduation fee: $600 (seniors)
  • Class trips: $175–$2,800 — optional
  • AP exams: $100–$200 (per exam) — optional
  • Athletics fee: $150–$300 (per sport) — optional
Sibling discountNot Published$3,000 off 2nd student; $9,425 off 3rd (tuition only)10% off for each younger siblingNot Published
Lower school on campusHS onlyHS only
Yes

14 months–12th (Montessori)

Yes

PK3–12

Open houseNot postedOct 28, 2026Not postedNov 1, 2026
Required test
ISEE

Offered on campus: Nov 14, 2026

HSPT or ISEE

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

None
ISEE
Application deadlineNot postedNot postedJan 15, 2027Not posted
Decision dateNot postedNot postedMar 5, 2027Not posted
Financial aid
Need-based

No merit scholarships

Need-based
Need-based
Need-based + Merit
AP courses25Not postedNot posted20
Enrollment93436423300
Student:Teacher9:111:114.4:18.1:1
Mass
Weekly

Thursdays, 9:10 AM

Weekly

Thursdays, 9:15 AM

Monthly
Not Published
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.