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Entrance Exam

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.)
St. Pius XISEE (School code 571082; 9th-grade applicants. Transfers submit PSAT/SAT/ACT. School offers an ISEE prep course. Application opens Sept 1.)

Dual Credit

Notable Programs

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

Recommendations

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

Academic Model

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.)
St. Pius XNot Published

AP Courses

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

Application Deadline

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

Honors & AP Courses

Learning Support

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

World Languages

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

Commute from home

	Incarnate Word Academy	St. Catherine's Montessori	St. Pius X High School
Tuition	$22,800 2026-27 rate	$20,560 2026-27 rate · 9th grade; grades 10-12: $20,753	$22,850 2026-27 rate
What's included	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	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
Sibling discount	Not Published	10% off for each younger sibling	Half tuition for a 3rd concurrently enrolled child
Lower school on campus	HS only	Yes 14 months–12th (Montessori)	HS only
Open house	Nov 8, 2026	Not posted	Not posted
Required test	ISEE Offered on campus: Jan 9, 2027	None	ISEE
Application deadline	Dec 14, 2026	Jan 15, 2027	Not posted
Decision date	Mar 5, 2027	Mar 5, 2027	Not posted
Financial aid	Need-based + Merit	Need-based	Need-based + Merit
AP courses	18	Not posted	Not posted
Enrollment	248	23	655
Student:Teacher	8.3:1	14.4:1	7:1
Mass	Monthly	Monthly	Monthly
Sports	10 sports	6 sports	14 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.