By GSN Staff

With an estimated 21,500 blood donations by the end of the last school year, teens have retained their status as United Blood Services’ largest donor group for the 13th consecutive year. 

The Arizona Diamondbacks honored their dedication in the 2016-17 High School Blood Drive Challenge by donating 1,000 tickets to 74 award-winning schools for their May 10 game against the Detroit Tigers. 

Highland High School received the award for the most total donations, 725, and was invited to share a party suite at the game.

Championship banners were presented on-field during pre-game ceremonies to the ten schools earning the highest honors.  

The 195 high schools participating in the blood drive challenge organized 485 blood drives across Arizona.

“High school donors are the top contributors to Arizona’s blood supply,” said Sid Lewis, Senior Director of Donor Recruitment for United Blood Services, Southwest Division. “One in every six blood transfusions comes from a teen in Arizona, far surpassing any other age group of donors.”

Teen donations have more than doubled since the Diamondbacks signed on as sponsors of the High School Blood Drive Challenge in 1998. 

The challenge was launched in 1984 for all Arizona high schools organizing drives with United Blood Services. Participating schools compete against other schools with a similar number of seniors to earn achievement awards. 

Based on percentage participation, schools that reach gold or higher award levels receive tickets to an Arizona Diamondbacks game to celebrate their accomplishments. The eight division-winning schools, as well as the two schools with the highest number of donations and the highest percent participation, are formally recognized on the field during pre-game ceremonies.  For more information, visit