EasyBio is a Thai biology education brand founded and led by teacher Kru Fai. Its courses are designed to make biology easier to understand and help students apply what they learn in exams. Drawing on more than 10 years of teaching experience, Kru Fai uses structured explanations, memory techniques, and exam practice to support learners with different levels of prior knowledge. The site says her students have gone on to study medicine, dentistry, pharmacy, and other health sciences.

EasyBio offers online biology courses for lower- and upper-secondary students, including grade-improvement classes, A-Level preparation, and courses for the POSN Biology Olympiad and NETSAT exams. Students can also choose intensive or condensed programs, comprehensive lesson packages, mock exams, and question practice. Online lessons are available on smartphones, tablets, and computers, allowing learners to study at their own pace. The brand also sells biology summary books, including Kru Fai’s published upper-secondary biology book, and provides reviews, sample videos, exam resources, and enrollment guidance.