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