• Prospective Families

    learn more
  • Current Families

    learn more
  • Alumni

    learn more
  • Fall Festival

    learn more

CORE VALUES ICCS educates the whole student —
spiritually, intellectually, physically, and emotionally, while embracing the following values:
Integrity — doing the right thing no matter the personal cost
Confidence — knowing all things are possible through God who gives us strength
Courage — standing for what is right even if it means to stand alone
Service — bettering the lives of those around us

Welcome to ICCS

Welcome Video

Join ICCS Today

Mission Statement

Immaculate Conception Cathedral School is an inclusive Catholic school that in the Mercy Sisters' tradition, embraces each student's God-given talents and, through a rigorous college preparatory curriculum, empowers all students to reach their full potential.

Learn More

Upcoming Events

Full Calendar

Recent School News

  • Upper School Celebrates Freshman Week Monday, August 13, 2018
    ICCS seniors formally welcomed their freshmen "little sisters" to Upper School during the annual Freshman Capping Ceremony held in the Cathedral on Tuesday, Aug. 7, the first day of the 2...
  • ICCS Senior Assists with Catholic Charities Humanitarian Effort Friday, July 6, 2018
    Cathedral parishioner and ICCS senior Olivia Stonecipher (right) is part of a delegation that traveled from Memphis to McAllen, Texas on July 4 to assist refugees at the Catholic Charities of the Rio...

More News