Sihasma Higher Education Institute - Sinhala, Commerce, English, ICT, Science, Maths, History

Dimuthu Pitigala (Male) - B.A.

Thushani Harshika (Female) - රජයේ පාසල් ගුරු, BA (BPU Colombo), MA (BPU Colombo)

අල්ෂා ලියනරත්න (Female) - B.A. (sp) University of Kelaniya, Diploma in University of IMBS

Sampath Iddagoda (Male) - කවුරුත් දන්න සිංහල පන්තිය

SasipWin Higher Education Institute - දූ දරුවන්ගේ සොඳුරුතම සිප්මංසල

Sumana Tissa Hamuduruwo (Male) - BA and National Diploma in Teaching, National School Teacher

Shenal Sir (Male) - BA (Buddhist and Pali University), Sinhala Teacher at OKI International School

Panchalee Senanayake (Female) - BA graduate, conducts classes more than 10 years, Currently I am working an international school in Colombo

Yathra Higher Education Institute - Grade 6 - 11 Classes

Pradeepika Gunawardana (Female) - A School Teacher, B.A. University of Kelaniya

Sandaruwan Liyanawaduge (Male) - Theory and Revision