Our mission is to provide a strong foundation for Life-long Learning by nurturing, challenging, and guiding all students toward their maximum academic, aesthetic, physical, social, and emotional potential.

This team works together to ensure that all aspects of the student experience here at Helena High School is positive and effective, inside the classroom as well as outside the classroom.



MBI – Montana Behavior Initiative 

Click here to view the Helena High School MBI 2021-2022 school video.


Main Office

  • (406) 324-2200
  • (406) 324-2201 Fax

Mr. Steve Thennis – Principal

Mrs. Stephanie Thennis – Assistant Principal

Mr. Willie Schlepp – Assistant Principal

Office Staff

Betsy Allen – Office Manager

Sandi Clay – General Secretary

Patsy Althof – Registrar

Dana Adamson – Bookkeeper

Dawn Schneider – PowerSchool

Office Staff

Attendance Office

Cristi Friede – Attendance Secretary

Kelli Gustafson – Attendance Secretary

Corena Hall – Counseling Secretary

Sallie Melcher – Library Secretary


(406) 324-2220

Mrs. Jaime Pandis

Mrs. Ellaina Staldine

Mr. Jason Murgel

Mrs. Chrissy Murgel

Ms. Abigail Rausch

Custodial Staff

Joe Gerlach – Day Custodian
Theresa Senn – Day Custodian

Night Custodians:

  • David Allinson
  • Shirley Gillardo
  • Jim Pelletier
  • Zach Linjanen
  • Chris Jensen
  • Rob Davis
  • Shawn Blessinger

School Nurse

Emily Rodway

School Resource Officer (SRO)

Mark Baker

  • 406.949.3680
  • 406.324.2329

Sodexo Food Services

Marla Ballensky
Candy Duncan
Felicia Calder
Christina Garver
Lynn Keltz