Faridpur: The district administration yesterday declared 57 high schools shut for two days as 103 students of two schools fell sick due to unknown reason in three days till Thursday, reports UNB. Executive Magistrate Mandip Gharai said a total of 103 students of Shibrampur R D Academy and Khalilpur High School in Macchar union of sadar upazila fell sick from Tuesday to Thursday. The sick students were given treatment at Faridpur Medical College Hospital. The district administration formed a three member committee to investigate the reason behind their sudden sickness. The committee members examined the physical condition of the sick students and visited the two educational institutions but could not detect the reason behind their sickness. The schools have closed for further investigation and safety, said district education officer Parimal Chandra Mandal. Gonopoti Biswas Shuvo, supervisor of Faridpur Medical College Hospital, said the students might have fallen sick due to mass psychogenic illness or mass hysteria.