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Academics

Entrance Exam

  • 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.)
  • Incarnate WordISEE (School code 570451; up to two scores. Application opens Aug 17, 2026.)
  • St. ThomasISEE (School code 571055; freshmen. Transfers: ISEE or PSAT.)

Recommendations

  • St. John XXIIITeacher recommendations (school forms) + official transcripts; interviews for transfers only
  • Frassati3 — Principal/Counselor, English, Math (via FACTS); transcripts 6th-8th
  • Incarnate WordMath + English teachers (HAIS forms); transcripts 6th, 7th, 1st-sem 8th
  • St. ThomasMath + English teachers (HAIS forms, after Dec 1); student statement + resume; report cards gr 6-8

Dual Credit

  • St. John XXIIINot Published
  • FrassatiYes (University of St. Thomas (one course/yr) + Catholic University of America (entrepreneurship))
  • Incarnate WordYes (4 courses with Lone Star College)
  • St. ThomasYes (4 dual-credit courses via University of St. Thomas)

World Languages

  • St. John XXIIISpanish (confirmed via Spanish NHS; full list not published)
  • FrassatiFrench (through AP; Bordeaux/Lourdes exchange) · Spanish (through AP)
  • Incarnate WordNot Published
  • St. ThomasFrench · Spanish · Mandarin · Latin

AP Courses

  • St. John XXIIINot Published
  • FrassatiNot Published
  • Incarnate Word18 (Academics page says 18, FAQ says 19; AP Honor Roll Platinum; >75% of AP testers score 3-5)
  • St. Thomas21 (40+ advanced/AP courses overall)

Application Deadline

  • St. John XXIIINot Published
  • FrassatiNot Published
  • Incarnate Word2026-12-14 (Earliest deadline of the Houston Catholic schools; supplemental materials Jan 29, 2027)
  • St. Thomas2027-01-15 (Opens Aug 3, 2026; supporting docs due Jan 31; rolling after)

Notable Programs

  • St. John XXIIINot Published
  • FrassatiPhysics-first science sequence; Ethics & Culture department; House System
  • Incarnate WordYoung Leaders Program; 5 endorsements; STEM emphasis
  • St. ThomasNot Published

AP Program

  • St. John XXIIIAP and honors coursework offered (count not published; Course Selection Guide not public)
  • FrassatiNot Published
  • Incarnate WordNot Published
  • St. ThomasNot Published

Family Interview

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

Learning Support

  • St. John XXIIINot Published
  • FrassatiNot Published
  • Incarnate WordNot Published
  • St. ThomasLearning Enrichment Center; college counseling with 4-year plan
Commute from home
Tuition
$22,100

2026-27 rate

$24,050

2026-27 rate

$22,800

2026-27 rate

$27,900

2026-27 rate

What's included
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
Fees listed separately see fees
  • Application fee: $75
  • Registration fee: $350
  • Tuition deposit: $500
  • Freshman fee (orientation camp): $350 (freshmen)
  • Senior fee (graduation + retreat): $300 (seniors)
  • Books:
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 discount2nd student $17,680 ($4,420 off)$3,000 off 2nd student; $9,425 off 3rd (tuition only)Not Published$2,000/yr per sibling after the first
Lower school on campusHS onlyHS onlyHS onlyHS only
Open houseNot postedOct 28, 2026Nov 8, 2026Dec 6, 2026
Required test
ISEE
HSPT or ISEE

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

ISEE

Offered on campus: Jan 9, 2027

ISEE

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

Application deadlineNot postedNot postedDec 14, 2026Jan 15, 2027
Decision dateNot postedNot postedMar 5, 2027Mar 5, 2027
Financial aid
Need-based + Merit
Need-based
Need-based + Merit
Need-based + Merit
AP coursesNot postedNot posted1821
Enrollment432364248791
Student:Teacher11.3:111:18.3:19:1
Mass
Weekly

Daily Mass also offered

Weekly

Thursdays, 9:15 AM

Monthly
Monthly
Sports13 sports13 sports10 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.