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Entrance Exam

St. John XXIIIISEE (School code 570048; 9th grade. 11th/12th transfers submit PSAT. Last cycle: opened Sept 1, deadline Jan 15, docs Jan 31, rolling after.)
DuchesneISEE (Administered externally; campus tour + family interview also required)

Recommendations

St. John XXIIITeacher recommendations (school forms) + official transcripts; interviews for transfers only
DuchesneEnglish and/or Math teacher + principal/head of school; 2 years transcripts

World Languages

St. John XXIIISpanish (confirmed via Spanish NHS; full list not published)
DuchesneFrench (incl. Advanced IV-DELF B1) · Spanish (incl. AP) · American Sign Language I-III

AP Courses

St. John XXIIINot Published
Duchesne20 (AP enrollment caps: soph 1 / jr 2 / sr 3; AP exam required if enrolled)

AP Program

St. John XXIIIAP and honors coursework offered (count not published; Course Selection Guide not public)
DuchesneNot Published

Dual Credit

St. John XXIIINot Published
DuchesneYes (University of St. Thomas partnership; online electives via SophieConnect + One Schoolhouse)

Honors Courses

Notable Programs

St. John XXIIINot Published
DuchesneRobotics and competitive debate programs; IT internship with Microsoft certification; junior Research Paper requirement

Commute from home

	St. John XXIII College Preparatory	Duchesne Academy of the Sacred Heart
Tuition	$22,100 2026-27 rate	$33,600 2026-27 rate · Upper School
What's included	Fees listed separately see fees New Student Enrollment Fee: $500 Financial aid application (Clarity): $60 — 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 discount	2nd student $17,680 ($4,420 off)	Not Published
Lower school on campus	HS only	Yes PK3–12
Open house	Not posted	Nov 1, 2026
Required test	ISEE	ISEE
Application deadline	Not posted	Not posted
Decision date	Not posted	Not posted
Financial aid	Need-based + Merit	Need-based + Merit
AP courses	Not posted	20
Enrollment	432	300
Student:Teacher	11.3:1	8.1:1
Mass	Weekly Daily Mass also offered	Not Published
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.