Sidney High School Alumni
Sidney, Montana (MT)
Recent Members
| Autumn Ownby Autumn Ownby | 2025 |
| Carissa Braun | 2002 |
| Ciara Sinks | 2015 |
| Clayton Clayton Olson | 2021 |
| Hailie Larson | 2019 |
| Michael Hansen | 1978 |
| Michelle Michelle Cook | 2014 |
| Sierra Osborne Osborne | 2017 |
Military Alumni
Honoring Our Heroes
This area is dedicated to our alumni that have served or are serving in our armed forces!
Lost Class Rings
Have you lost your Sidney High School class ring? Have you found someone's class ring? Visit our Eagles lost class ring page to search for your class ring or post information about a found ring.
Click here to post an Alumni story.
School News
Class of 1971 50th Reunion
Attached is a pdf on information about the 50th class reunion. Hope to see everyone there!
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Your fellow Eagles want to know what you have been up to since you left the halls of Sidney High School. Submit your own holiday stories, achievements and photos in our Alumni Stories section. Read other classmate’s stories and see what they have been up to over the years.