The results of searching for "International Preschool": 5 English-speaking places
There are also organizations that speak other languages: Russian.
Rütlistrasse 21 8307 Switzerland
Freiestrasse 175 8032 Switzerland
Bahnhofstrasse 71 8001 Switzerland
Seefeldstrasse 115 8008 Switzerland
Maihofstrasse 95A 6006 Switzerland