The funds were raised at Rainbolt’s 90th birthday party, which included a private concert by country music legend Willie Nelson.
Stillwater High School has donated more than $42,000 since 2011.
OMRF was one of 24 Oklahoma charities to receive the highest designation.
OMRF received a donation for breast cancer research thanks to a district-wide effort in Stillwater.
Looking for something special for that whiz kid on your holiday list?
OMRF is putting on estate-planning seminars for the 11th consecutive year.