Helix Charter High School will host a blood drive in partnership with the San Diego Blood Bank on Tuesday, Feb. 21, 9 a.m. to 2:30 p.m. The school is located at 7323 University Avenue in La Mesa.

All blood types are greatly needed.

With less than a one-day supply of most types, school officials and SDBB are asking members of the public to schedule their appointment aquí.

Students, families and community members are welcome to donate.

Parking is available at 4200 Lowell Street and the blood mobiles will be parked by the school’s gym.