United Nations Educational, Science and Cultural Organization (UNESCO) hereby invite qualified organizations or legal entities to submit sealed tenders as follows for the development of two comprehensive teacher training modules and the design of an interactive, self-paced online course focused on assessment for learning and differentiated instruction. The assignment will support hybrid teacher professional development programmes across the Asia-Pacific region, with pilot implementation in Bhutan and Lao PDR.  Please refer to the attached Procurement Notice. Closing date: 3 October 2025, 17:00 Bangkok time