A Winnipeg high school teacher says she is humbled and honoured to receive a Queen's Diamond Jubilee medal from the Governor General today.

Timmy Sharma, who teaches at Gordon Bell High School, was among 58 Canadians to receive medals from Gov. Gen. David Johnston at a special ceremony in Ottawa Wednesday.

"It is humbling and both rewarding at the same time — humbling because you're in the company of great people, and rewarding that you're being recognized," Sharma told CBC News.

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The Governor General also presented the Diamond Jubilee medal on Wednesday to Robert Lunney, a retired senior police official. (Cpl. Roxanne Shewchuk/Rideau Hall)

Sharma was honoured for working with teenage parents who want to get an education, as well as for her volunteer work with breast cancer, juvenile diabetes and multiple sclerosis organizations.

"I just love being out there," she said.

"I think every Winnipegger would say the same thing: volunteering in itself is so rewarding."

Robert Lunney, a retired senior police official from Winnipeg, also received a Diamond Jubilee medal on Wednesday.

Lunney served with the RCMP and police forces in Edmonton in Winnipeg, and he served as president of the Canadian Association of Chiefs of Police.

The Diamond Jubilee Medal has been awarded to about 60,000 Canadians over the past year to recognize their achievements and their dedication to service.