Entrance Exam

Summer Applicants entering 9th grade need to complete an Individual Entrance Exam.  To schedule an Individual Entrance Exam contact admissions@sj23lions.orgThe Entrance Exam Fees are Nonrefundable.

  • The Entrance Exam measures cognitive and basic skills. The exam consists of five sections – Verbal Skills, Quantitative Skills, Reading (Comprehensive and Vocabulary), Mathematics, and Language.
  • The exam fee is $55.
  • Calculators are not allowed during the test.
  • No points will be deducted for wrong answers, so it is best to guess if you are not sure of the answer.
  • St. John XXIII School Code is 20.

Entrance Exam - SJ23 Campus
Must have confirmed individual testing date before paying the Entrance Exam Fee! To schedule a testing date contact admissions@sj23lions.org

Scholarship Opportunities
St. John XXIII College Preparatory offers partial scholarships to the leading students who apply for their freshman year and/or their transfer year.  These scholarships are based on information gathered from the application that includes entrance test scores, transcript, and teacher recommendations. In addition to the completed application and information, a resume is required. 
To be considered for a scholarship:


In order to better accommodate our applicants, St. John XXIII College Preparatory will host the ISEE test. Incoming freshmen must take the HSPT OR the ISEE and have their scores sent to St. John XXIII College Preparatory in order to be considered for admission.

ISEE Testing Dates:
Saturday, November 6, 2021 - 8:30AM
Saturday, January 8, 2022 - 8:30AM

ISEE Information:

Registration and additional information:  www.iseetest.org
  • If registering online, please click the tab labeled “Preview ISEE Testing Sites” and then follow the prompts
  • Our school code is 570048
  • You may also register by phone, 1.800.446.0320 
The HAIS schools will be changing its policy on the HSPT Entrance Exam testing.  Beginning in 2021-2022, St. John XXIII will only be offering the Independent School Entrance Exam (ISEE) .

ISEE testing dates are:

Saturday, November 6, 2021 @ 8:30AM

Saturday, January 8, 2022 @ 8:30AM

St. John XXIII College Preparatory

1800 W. Grand Parkway N. | Katy, Texas 77449
p 281.693.1000
f 281.693.1001
Our Mission
St. John XXIII College Preparatory forms the hearts and minds of young men and women in a Christ-centered community dedicated to academic excellence, the pursuit of virtue, and service to others in the Tradition of the Catholic Church.