She was born in Mymensingh district. She passed S. S. C. and H. S. C. from Vidyamoyee Govt Girls School and Govt. Muminunessa Mohila College, Mymensingh, Dhaka board. She obtained her B.Sc Ag (Honors) from Agriculture and M.S. degree from the department of Agricultural Chemistry, Bangladesh Agricultural Chemistry. After graduating from the Bangladesh Agricultural University, she was awarded Monbusho Scholarship (Japanese Government Scholarship) to pursue her Ph. D. degree.
She enrolled in the School of Science for the Open and Environmental Systems of Keio University, Japan as a Ph.D. student in September, 2007 and received her Ph.D. in September, 2010. She returned Bangladesh in October 2010 and joined as a faculty member to the College of Agricultural Science, International University of Business, Agriculture and Technology in 2011. Dr Shaila Sharmin is specialized on Environmental Geochemistry.She is personally working for KBAD (Knowledge Based Area Development) program