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League

CathedralTAPPS 3A + Rugby Texas Division 2
St. Catherine'sGHCAA (middle/upper school) + TCSAAL (high school) — not TAPPS
St. Pius XTAPPS (6A per secondary sources) (TAPPS membership on school site; 6A classification from Wikipedia/MaxPreps, not verifiable on tapps.biz (PDF-only alignment))

Sports Offered

CathedralVolleyball (B/G) · Cross Country · Fencing · Basketball (B/G) · Rugby · Soccer (B/G) · Swimming · Field Hockey (G) · Track & Field · Tennis (G) · Baseball (B)
St. Catherine'sVolleyball · Flag Football · Cross Country · Soccer · Basketball · Track & Field (Grades 4-12; teams as numbers allow)
St. Pius XFootball · Volleyball · Cross Country · Basketball · Soccer · Baseball · Softball · Track & Field · Golf · Tennis · Swimming · Cheer · Lacrosse · Rugby (20 varsity sports; >75% participation)

Commute from home

	Cathedral High School	St. Catherine's Montessori	St. Pius X High School
Tuition	$22,850 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 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	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 7, 2026	Not posted	Not posted
Required test	ISEE (or CLT for classical-school students)	None	ISEE
Application deadline	Jan 15, 2027	Jan 15, 2027	Not posted
Decision date	Not posted	Mar 5, 2027	Not posted
Financial aid	Need-based + Merit	Need-based	Need-based + Merit
AP courses	Not posted	Not posted	Not posted
Enrollment	Not Published	23	655
Student:Teacher	Not Published	14.4:1	7:1
Mass	Daily	Monthly	Monthly
Sports	11 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.