He said the blast occurred at about 2:05p.m.
The School of Hygiene is located along Bayero University Kano, BUK, road in Kano which has suffered similar attacks in the past.
Addressing reporters at the scene of the blast, Mr. Shinaba also said several others were injured and had been admitted to hospitals.
He also said one suspect was arrested in connection with the blast.
He said further information would be provided in the course of the investigation of the incident.
No group has claimed responsibility for the blast although the insurgent Boko Haram has carried out similar attacks in Kano and other northern states.