The results of searching for "International Kindergarten": 8 English-speaking places
There are also organizations that speak other languages: Russian.
Obermühle 8 6340 Zug Switzerland
Freiestrasse 175 8032 Switzerland
Rütlistrasse 21 8307 Switzerland
Limmattalstrasse 38 8049 Switzerland
Kirchbodenstrasse 2A 8800 Switzerland
Bahnhofstrasse 71 8001 Switzerland
Seefeldstrasse 115 8008 Switzerland
Maihofstrasse 95A 6006 Switzerland