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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.)
  • St. Peter CTHSNone (No ISEE/HSPT. Inquiry → tour → FACTS application; English + Math recommendations + transcript. Last cycle: due Jan 15, decisions Mar 6, reply Mar 25.)
  • 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.)

World Languages

  • St. John XXIIISpanish (confirmed via Spanish NHS; full list not published)
  • St. Peter CTHSNot Published
  • St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships

Academic Model

  • St. John XXIIINot Published
  • St. Peter CTHSNot 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.)

AP Program

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

Career & Technical Pathways

  • St. John XXIIINot Published
  • St. Peter CTHSBusiness · Construction · Education · Information Technology · Health Sciences (The school describes itself as the first Catholic career and technical high school in Texas, and the second in the United States. Graduates earn a diploma plus a Level 1 industry certification, with a possible HCC associate degree and job placement with partner businesses.)
  • St. Catherine'sNot Published

Dual Credit

  • St. John XXIIINot Published
  • St. Peter CTHSYes (Houston Community College partnership — pathway courses at St. Peter and two HCC campuses; school provides transport during the school day)
  • St. Catherine'sNot Published

Recommendations

  • St. John XXIIITeacher recommendations (school forms) + official transcripts; interviews for transfers only
  • St. Peter CTHSNot Published
  • St. Catherine'sNot Published
Commute from home
Tuition
$22,100

2026-27 rate

$15,000

2026-27 rate · most families pay far less after aid

$20,560

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

What's included
Fees listed separately see fees
  • New Student Enrollment Fee: $500
  • Financial aid application (Clarity): $60 — optional
Fees listed separately

No itemized fees published.

Fees listed separately see fees
  • Application fee: $150
  • Tuition deposit: $750
  • New Student Fee: $850
  • Facility fee: $800
  • Program fee: $2,500–$2,750
Sibling discount2nd student $17,680 ($4,420 off)Not Published10% off for each younger sibling
Lower school on campusHS onlyHS only
Yes

14 months–12th (Montessori)

Open houseNot postedNot postedNot posted
Required test
ISEE
None
None
Application deadlineNot postedNot postedJan 15, 2027
Decision dateNot postedNot postedMar 5, 2027
Financial aid
Need-based + Merit
Need-based
Need-based
AP coursesNot postedNot postedNot posted
Enrollment4322623
Student:Teacher11.3:1Not Published14.4:1
Mass
Weekly

Daily Mass also offered

Monthly
Monthly
Sports13 sportsNot posted6 sports
Links

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