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Adult Education

Globally minded with a sense of local community
Students in a group high-fiving

Language Courses - German & English

  • Special rates for ZIS parents - 10% off normal course price
  • All courses are offered for ZIS parents at Castle's English Institute, Gotthardstrasse 18, 8800 Thalwil
  • Online placement test available here or contact Castle's to arrange a free try out lesson before registration or 044 722 11 11 (Mon & Thur 13:00-17:00 or Tues & Weds 09:00-13:00)
  • Contact Castle's direct for registration and course enquiries - complete this short online form.
  • Earlier course start dates/times available please enquire direct to Castle's.
  • English lessons also available
  • Classes smaller than 4 students will have reduced hours


Please note:  Some classes will remain as online courses. 

German Courses Winter 2022

Arts & Crafts Courses

There are no ZIS Adult Courses being offered during the 2021/22 School Year. 

Fitness Courses

A range of fitness courses offered at ZIS at the Lower School.

ZIS Courses are currently not offering other courses at ZIS campuses.