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Entrance Exam

St. Pius XISEE (School code 571082; 9th-grade applicants. Transfers submit PSAT/SAT/ACT. School offers an ISEE prep course. Application opens Sept 1.)
Incarnate WordISEE (School code 570451; up to two scores. Application opens Aug 17, 2026.)
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.)

Dual Credit

Notable Programs

St. Pius X"Engineer Your World I & II," Computer Science; electives in Business, Law, Psychology, Media Arts
Incarnate WordYoung Leaders Program; 5 endorsements; STEM emphasis
St. Catherine'sNot Published

Recommendations

St. Pius XMath + English teachers, Principal/Counselor; student essay; transcripts
Incarnate WordMath + English teachers (HAIS forms); transcripts 6th, 7th, 1st-sem 8th
St. Catherine'sNot Published

Academic Model

St. Pius XNot Published
Incarnate WordNot 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 Courses

St. Pius XNot Published
Incarnate Word18 (Academics page says 18, FAQ says 19; AP Honor Roll Platinum; >75% of AP testers score 3-5)
St. Catherine'sNot Published

Application Deadline

St. Pius XNot Published
Incarnate Word2026-12-14 (Earliest deadline of the Houston Catholic schools; supplemental materials Jan 29, 2027)
St. Catherine'sNot Published

Honors & AP Courses

Learning Support

St. Pius XPaul A. Gilliam '98 Learning for Success program — structured academic support ($2,500/yr)
Incarnate WordNot Published
St. Catherine'sNot Published

World Languages

St. Pius XNot Published
Incarnate WordNot Published
St. Catherine'sSpanish · Latin/French/ASL/Portuguese via independent study & university partnerships

Commute from home

	St. Pius X High School	Incarnate Word Academy	St. Catherine's Montessori
Tuition	$22,850 2026-27 rate	$22,800 2026-27 rate	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753
What's included	Fees listed separately see fees Registration fee (new students): $350 Graduation fee (seniors): $280 (seniors) Athletics fee: $150–$350 (per sport) — optional Learning for Success program: $2,500 (if enrolled in program) — optional Bus transportation: $1,550 — 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: —	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 discount	Half tuition for a 3rd concurrently enrolled child	Not Published	10% off for each younger sibling
Lower school on campus	HS only	HS only	Yes 14 months–12th (Montessori)
Open house	Not posted	Nov 8, 2026	Not posted
Required test	ISEE	ISEE Offered on campus: Jan 9, 2027	None
Application deadline	Not posted	Dec 14, 2026	Jan 15, 2027
Decision date	Not posted	Mar 5, 2027	Mar 5, 2027
Financial aid	Need-based + Merit	Need-based + Merit	Need-based
AP courses	Not posted	18	Not posted
Enrollment	655	248	23
Student:Teacher	7:1	8.3:1	14.4:1
Mass	Monthly	Monthly	Monthly
Sports	14 sports	10 sports	6 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.