Compare Schools

Pick up to 4 schools to see them side by side.

2 of 4 selected

Explore by category

Pick a category to see everything these schools publish about it, side by side.

Mass

St. John XXIIIWeekly all-school Mass (Day not published; moves for Solemnities and Holy Days. Students attend in full Mass uniform.)
St. ThomasMonthly all-school Mass, plus Holy Days of Obligation (Weekly opportunities for Mass, Confession, Adoration and Rosary in addition)

Retreats

St. John XXIIIMandatory class retreats (Oboedientia/Pax/Virtus/Renovatio) + optional Kairos (jr/sr) and Quest (fr/so); daily Mass + weekly all-school Mass
St. ThomasCamp Aquinas freshman retreat; grade-level retreats; dedicated Director of Retreats. Basilian motto: "Teach me Goodness, Discipline, and Knowledge"

Daily Mass

St. John XXIIIAvailable daily throughout the year (Plus Eucharistic adoration, twice-yearly penance services, daily Angelus)
St. ThomasNot Published

Religious Tradition

St. John XXIIINot Published
St. ThomasBasilian Fathers — founded 1900. The school describes itself as the oldest college-preparatory high school for young men in Texas.

Service Hours by Grade

St. John XXIIIFreshmen 20 · Sophomores 25 · Juniors 25 · Seniors 30 (per year, with due dates each spring)
St. ThomasNot Published

Service Program

St. John XXIIINot Published
St. Thomas"Champions for Change" — six service experiences annually (service year Jun 1 - May 31)

Commute from home

	St. John XXIII College Preparatory	St. Thomas High School
Tuition	$22,100 2026-27 rate	$27,900 2026-27 rate
What's included	Fees listed separately see fees New Student Enrollment Fee: $500 Financial aid application (Clarity): $60 — optional	Included in tuition see list Laptop & technology Charged separately: Application fee: $75 Registration fee: $700 Camp Aquinas (freshman retreat): $650 (freshmen) Class retreat: $325 (returning/transfer students) Books: $550 Athletics fee: $250 (per sport) — optional AP exam: $99 (per course) — optional
Sibling discount	2nd student $17,680 ($4,420 off)	$2,000/yr per sibling after the first
Lower school on campus	HS only	HS only
Open house	Not posted	Dec 6, 2026
Required test	ISEE	ISEE Offered on campus: Nov 14, 2026 · Jan 9, 2027
Application deadline	Not posted	Jan 15, 2027
Decision date	Not posted	Mar 5, 2027
Financial aid	Need-based + Merit	Need-based + Merit
AP courses	Not posted	21
Enrollment	432	791
Student:Teacher	11.3:1	9:1
Mass	Weekly Daily Mass also offered	Monthly
Sports	13 sports	12 sports
Links	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.