We lived in Walchwil for 3 years and I commuted to Duebendorf and then to Spreitenbach, mostly by train. We had great views of the Zugersee and Rigi. Walchwil itself had a couple of good restaurants and a shop.

Our daughter and her partner live in Cham and it has more night life with regular music from well known bands like Doctor Feelgood et al.

Zug is very international and you will find plenty of people who speak English. I cannot comment on the schools, but I am sure they are good. We found Baar a bit pedestrian compared to Zug, but that was 10 years ago!

Good luck in your search.