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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.)
  • Cristo ReyNone (No ISEE/HSPT. Reviews grades, test scores, recommendations + 30-min student interview. Must be 14 by Sept 1, work-authorized, and income-eligible.)
  • O'ConnellIn-house placement test (No ISEE/HSPT — 30-60 min Math & Reading placement test, offered Mon-Thu 8:30-2:30. Rolling admissions, no published deadlines.)
  • DuchesneISEE (Administered externally; campus tour + family interview also required)

World Languages

  • St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships
  • Cristo ReySpanish (through AP Language & Literature) (3 foreign-language credits required)
  • O'ConnellSpanish I-III · German (IV dual credit) · American Sign Language I-III
  • DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III

AP Courses

  • St. Catherine'sNot Published
  • Cristo Rey12 (Plus 4 Pre-AP (2026-27 list))
  • O'ConnellNot Published
  • Duchesne20 (AP enrollment caps: soph 1 / jr 2 / sr 3; AP exam required if enrolled)

Dual Credit

  • St. Catherine'sNot Published
  • Cristo ReyNot Published
  • O'ConnellYes (Via Galveston College: English III/IV, US History, Government, Spanish I/II, German IV (TSI test required))
  • DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)

Notable Programs

  • St. Catherine'sNot Published
  • Cristo ReyNot Published
  • O'ConnellSTEAM electives: Robotics, Computer Science, Esports, Horticulture, Graphic Design; Honors Engineering I & II; A La Carte program for homeschoolers
  • DuchesneRobotics and competitive debate programs; IT internship with Microsoft certification; junior Research Paper requirement

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.)
  • Cristo ReyNot Published
  • O'ConnellNot Published
  • DuchesneNot Published

Corporate Work-Study

  • St. Catherine'sNot Published
  • Cristo ReyEvery student works one weekday (~7 hrs) at a corporate partner (140+ partners); 4 students job-share one position; schedules built so no classes are missed. Graded 4-credit Practicum; 750+ work hours by graduation; school provides transport to jobs.
  • O'ConnellNot Published
  • DuchesneNot Published

Honors Courses

  • St. Catherine'sNot Published
  • Cristo ReyNot Published
  • O'ConnellNot Published
  • Duchesne12 (Called "Advanced" courses)

Recommendations

  • St. Catherine'sNot Published
  • Cristo ReyNot Published
  • O'ConnellNot Published
  • DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts
Commute from home
Tuition
$20,560

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

$8,000

2026-27 · sliding scale by income — average family pays $783/yr

$9,100

2025-26 rate (newest published)

$33,600

2026-27 rate · Upper School

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
Included in tuition see list
  • All classes and materials
  • Laptop (kept 4 years + college)
Fees listed separately see fees
  • Registration fee: $450
  • Technology fee: $200
  • Sports fee: $150–$250 (per sport ($450 all-season package)) — optional
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 discount10% off for each younger siblingNot PublishedMulti-student assistance available (amount not published)Not Published
Lower school on campus
Yes

14 months–12th (Montessori)

HS onlyHS only
Yes

PK3–12

Open houseNot postedNot postedNot postedNov 1, 2026
Required test
None
None
In-house placement test
ISEE
Application deadlineJan 15, 2027Not postedNot postedNot posted
Decision dateMar 5, 2027Not postedNot postedNot posted
Financial aid
Need-based
Need-based
Need-based + Merit
Need-based + Merit
AP coursesNot posted12Not posted20
Enrollment2347280300
Student:Teacher14.4:111.8:14.5:18.1:1
Mass
Monthly
Monthly

Fridays, 10:00 AM

Daily Mass also offered

Monthly
Not Published
Sports6 sports10 sports13 sports12 sports
Links

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