language policy at home,please share!

I want my girl (4.5months)to study in international school so that me and my husband are using English to talk to her(with complete English sentence but not 半中半英). At the same time I use Putonghua to comunicate with her every Monday,Tuesday and Wednesday.The other days are in English. We let her listen to Spanish.French,Italian and German. She will soon attend different language lessons(Spanish, French). For this reason, i