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CathedralCristo ReyDuchesneFrassatiIncarnate WordO'ConnellSt. AgnesSt. Catherine'sSt. John XXIIISt. Peter CTHSSt. Pius XSt. ThomasStrake Jesuit

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Academics

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. AgnesISEE (School code 443420; up to 2 scores; first attempt before Dec 1 (ERB rule))
  • CathedralISEE (or CLT for classical-school students) (Scores due Jan 30, 2027. Application opens first week of Sept 2026, due Jan 15, 2027. A family interview is required (parents + student); a shadow day can be requested at the interview.)

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. AgnesNot Published
  • CathedralClassical liberal arts — Trivium (Grammar/Logic/Rhetoric), Shakespeare every year, Junior Thesis, Senior Seminar + Senior Rome Trip. Four Pillars: Sacred Worship, Wisdom, Music, Art. (No AP courses are advertised; dual credit serves the advanced-coursework role.)

Recommendations

  • St. Catherine'sNot Published
  • St. AgnesEnglish + Math teachers (due Jan 14, 2027)
  • CathedralMath, English + Administrator (HAIS forms); transcripts 3 prior years; student essay

World Languages

  • St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships
  • St. AgnesNot Published
  • CathedralLatin I-IV · Greek I-II · Modern language elective (Years 3-4)

AP Courses

  • St. Catherine'sNot Published
  • St. Agnes25
  • CathedralNot Published

AP Exams Scored 3+

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

Dual Credit

  • St. Catherine'sNot Published
  • St. AgnesNot Published
  • CathedralYes (University of St. Thomas partnership (est. June 2023))

Family Interview

  • St. Catherine'sNot Published
  • St. AgnesNot Published
  • CathedralYes (Family interview at the school — parents and student)

Honors Courses

  • St. Catherine'sNot Published
  • St. Agnes12
  • CathedralNot Published

Language Credits Required

  • St. Catherine'sNot Published
  • St. Agnes2
  • CathedralNot Published

Learning Support

  • St. Catherine'sNot Published
  • St. AgnesNot Published
  • CathedralLearning Enrichment Center — an individual learning plan for every student; tutoring, accommodations and testing support

Robotics

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

Test Score Deadline

  • St. Catherine'sNot Published
  • St. Agnes2027-02-01
  • CathedralNot Published
Commute from home
St. Catherine's Montessori
St. Agnes Academy
Cathedral High School
Tuition
$20,560

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

$28,400

2026-27 rate

$22,850

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
  • 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
Fees listed separately

No itemized fees published.

Sibling discount10% off for each younger siblingNot PublishedNot Published
Lower school on campus
Yes

14 months–12th (Montessori)

HS onlyHS only
Open houseNot postedNot postedNov 7, 2026
Required test
None
ISEE

Offered on campus: Nov 14, 2026

ISEE (or CLT for classical-school students)
Application deadlineJan 15, 2027Not postedJan 15, 2027
Decision dateMar 5, 2027Not postedNot posted
Financial aid
Need-based
Need-based

No merit scholarships

Need-based + Merit
AP coursesNot posted25Not posted
Enrollment23934Not Published
Student:Teacher14.4:19:1Not Published
Mass
Monthly
Weekly

Thursdays, 9:10 AM

Daily
Sports6 sports12 sports11 sports
Links
Full profileAdmissions
Full profileAdmissions
Full profileAdmissions

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