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Entrance Exam

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. John XXIIIISEE (School code 570048; 9th grade. 11th/12th transfers submit PSAT. Last cycle: opened Sept 1, deadline Jan 15, docs Jan 31, rolling after.)
FrassatiHSPT or ISEE (Either test is accepted. On-campus HSPT: Jan 9 + Jan 23, 2027. ERB member 571107. Transfers may substitute PSAT.)

World Languages

St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships
St. John XXIIISpanish (confirmed via Spanish NHS; full list not published)
FrassatiFrench (through AP; Bordeaux/Lourdes exchange) · Spanish (through AP)

Recommendations

St. Catherine'sNot Published
St. John XXIIITeacher recommendations (school forms) + official transcripts; interviews for transfers only
Frassati3 — Principal/Counselor, English, Math (via FACTS); transcripts 6th-8th

Academic Model

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. John XXIIINot Published
FrassatiNot Published

AP Program

St. Catherine'sNot Published
St. John XXIIIAP and honors coursework offered (count not published; Course Selection Guide not public)
FrassatiNot Published

Dual Credit

St. Catherine'sNot Published
St. John XXIIINot Published
FrassatiYes (University of St. Thomas (one course/yr) + Catholic University of America (entrepreneurship))

Family Interview

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

Notable Programs

St. Catherine'sNot Published
St. John XXIIINot Published
FrassatiPhysics-first science sequence; Ethics & Culture department; House System

Commute from home

	St. Catherine's Montessori	St. John XXIII College Preparatory	Frassati Catholic High School
Tuition	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753	$22,100 2026-27 rate	$24,050 2026-27 rate
What's included	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 Enrollment Fee: $500 Financial aid application (Clarity): $60 — 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
Sibling discount	10% off for each younger sibling	2nd student $17,680 ($4,420 off)	$3,000 off 2nd student; $9,425 off 3rd (tuition only)
Lower school on campus	Yes 14 months–12th (Montessori)	HS only	HS only
Open house	Not posted	Not posted	Oct 28, 2026
Required test	None	ISEE	HSPT or ISEE Offered on campus: Jan 9, 2027 · Jan 23, 2027
Application deadline	Jan 15, 2027	Not posted	Not posted
Decision date	Mar 5, 2027	Not posted	Not posted
Financial aid	Need-based	Need-based + Merit	Need-based
AP courses	Not posted	Not posted	Not posted
Enrollment	23	432	364
Student:Teacher	14.4:1	11.3:1	11:1
Mass	Monthly	Weekly Daily Mass also offered	Weekly Thursdays, 9:15 AM
Sports	6 sports	13 sports	13 sports
Links	Full profile Admissions	Full profile Admissions	Full profile Admissions

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