Jon Clark joined the group Thailand Schools 3 years, 7 months ago

Jon Clark joined the group FOBISIA 3 years, 7 months ago

Jon Clark joined the group Robotics 3 years, 7 months ago

Jon Clark joined the group CAIE IGCSE Teachers 3 years, 7 months ago

Jon Clark joined the group IB Computer Science Teachers 3 years, 7 months ago