T-W-S is a Swiss-based company dedicated to develop learning and instruction in an international school environment.

T-W-S is a professional organisation with the mission of helping schools to improve their performance by providing high quality professional development courses and school management consultancy services.

At T-W-S we firmly believe that a successful school needs to focus on organisational and professional development to improve learning and instruction. Hence we focus our services on school management consultancy and professional development to help schools to develop successful, well-motivated and dynamic teams with the focus on high quality teaching and learning.