Longest Private and Parochial School Football Rivalries

1.)  Houston The Kinkaid School vs. Houston St. John's School (every year since 1951)

2.)  Houston St. John's School vs. Dallas St. Mark's School of Texas - 65 times (per Bud Brooks' Facebook page)

3.)  Dallas Christian School vs. Fort Worth Christian - 61 times (per LSCSN research)

4.)  Houston St. Thomas vs. Houston Strake Jesuit - 56 times (Eagles 29-26-1 between '64-'19)

5.)  Dallas St. Mark's School of Texas vs. Kinkaid - 55 times (per Bud Brooks)

6.)  Holy Cross of San Antonio vs. San Antonio Central Catholic - 48 times through '19, started in '63.