Taherul Islam was born on 3 October 1995 in Dashgram, 7th Chandai union, Baraigram Upazila of Natore district. Father Md. Amjad Mandal is a farmer and mother Mst. Majeda is a housewife. He is the youngest among three brothers and two sisters.
He studied at the primary level in Dashgram Government Primary School. Secondly, he was educated at the secondary level at the famous Dashgram Fazil (Degree) Madrasa of Baraigram Upazila. He passed with a GPA of 5.00 in Dakhil (SSC) examination. He then completed Alim (HSC) from Dashgram Fazil (Degree) Madrasa and passed with a GPA of 4.75. After that, he pursued 4 years long B.Sc Honors from the Chemistry Department from Government Edward College, Pabna, one of the leading institutions in the country. He passed with a CGPA of 3.10. Lastly, he obtained a CGPA of 3.24, 1st class in Chemistry from Government Edward College, Pabna, and passed the M.Sc. examination. Since childhood, his roles ranged from 1 to 5 in most of the classes.
He has completed 6 months computer office application course from Bangladesh Technical Education Board and achieved an A-plus.
Besides graduation, he has been teaching at Shikhan School for 2 years. He has taught in a kindergarten school after graduation for a year. Besides, he worked as a tutor at Tahera tutorial in the private sector for 2 years. Since 2018, under the Ministry of Social Welfare Conducted (as per the 2009 Special Education Policy on Persons with Disabilities) Taherul Islam has been successfully performing his duties as a Junior Teacher in Dhanaidaha Haque Autistic & Buddhi Protibondhi Biddaloy.
The main goal is to work for the development of children with disabilities and take initiative and implement it properly so that the children with special needs get vocational education along with academic education so that these children can function as normal people in society and become independent. Above all, through proper planning, establish Dhanaidaha Haque Autistic & Buddhi Protibondhi Biddaloy as the best and exemplary institution in the world, so that other schools can follow or imitate the institution.