- Catholic Answers
- Catholic Exchange
- CatholiCity
- Daily Readings
- Diocese of Austin
- eCatholicChurches.com
- EduK12 online site - Allows your family to view general information about the school and view specific information about your child's or children's classes, progress reports, and attendance.
- EWTN
- EWTN Kids Zone
- Faith First - School uses the Faith First Legacy Edition for all grade levels.
- Holy Trinity Catholic High School - Our sister school in Temple, Texas for grades 9 thru 12. An excellent choice for a quality high school education.
- Liturgy of the Hours
- LZtees - Catholic t-shirts
- Mass Times
- Parker School Uniform - Parker Uniforms is our uniform supplier. To log into St. Mary's Temple site key in Web ID: AU150468
- Saint of the Day
- St. Mary's Catholic Church
- The Catholic Encyclopedia
- The New American Bible
- U.S. Conference of Catholic Bishops
- Vatican
- Zenit- News from the Vatican in Spanish, English, French and German