SchoolsPrincipia High School Principia High School - School Information Principia High School School Details School Name: Principia High School Shortened Name: Principia Bracket Name: Principia Abbreviation: Membership Type: Full Member School Type: Private Customer ID: DESE Code: 096-537-1050 Board District: #7 St. Louis County: St. Louis Organization Organization: High School Grades Served: 9-12 Genders: Boys and Girls Boarding School: Yes Affiliation: Full Member Designation: Normal Contact information Mailing Address: 13201 Clayton Rd St. Louis, MO 63131-1099 Get Directions PO Box Address: Phone: (314) 275-3580 Fax: (314) 275-3516 Lat/Long: 38.628429, -90.469406 Miscellaneous Boys' Nickname: Panthers Boys' Logo: Girls' Nickname: Panthers Girls' Logo: School Colors: Gold/Blue School Color Dark: a3874a School Color Light: #003050 Roster Team Code: (Cross Country/Track & Field) P30 Swim Team Code: (Hy-Tek) PRIN Football Conference: None Website/Social Media School Website: http://www.principiaschool.org/ School Athletic Website: Facebook Page: Principiaschoolathletics Twitter Page: Instagram Page: principiaschoolathletics