About TRHS

Highlights

School and Community

• Public International Baccalaureate high school
• Grades 9-12 with a current student enrollment of approximately 1,850
• ThunderRidge High School (TRHS) is one of 9 high schools in the Douglas County School District

Douglas County School District is the third largest in the state, serving more than 62,000 students.  It is located to the south of the Denver Metropolitan Area, and includes Castle Rock, Sedalia, Parker, Highlands Ranch and portions of Littleton.

Faculty and Staff

• 168 staff members 
• 70% of the faculty has earned masters or doctorate degrees in their specified content areas
• 8 school counselors provide students with support services

Advanced Placement

Advanced Placement courses are offered in 22 subject areas.  Due to enrollment, some AP courses are not available for students to take every year.  There is no limit to the number of AP courses a student can take, however, scheduling restraints may prevent some students from taking every AP course available. 

International Baccalaureate

International Baccalaureate Diploma courses are offered in 24 subject areas.  Due to enrollment, some IB courses are not available for students to take every year.  All IB full diploma students are required to take courses in the six core subject areas. All students who meet prerequisites can take IB Diploma courses at ThunderRidge High School.

Career and Technical Education (CTE)

ThunderRidge offers five approved CTE pathways including Business and Marketing, Construction Trades, Family and Consumer Sciences, Multimedia, and Welding.

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Important Phone Numbers

Office	Phone
Main Office	303-387-2000
Attendance Office	303-387-2002
Counseling Office	303-387-2028
Athletics Office	303-387-2017
Fax	303-387-2001
IB Office	303-387-2207
Finance Office	303-387-2016
Registrar	303-387-2204
Library	303-387-2109
Transportation	303-387-6149
Weather Hotline	303-387-7669
Safe2Tell	877-542-7233 (SAFE)