These photos depict children in a Wysokie Litwskie kindergarten:
Yiddish at top left: Visoke-Lit 1937-38. Hebrew at top right: A Hebrew kindergarten.
Rivka-Riva neé Hoffman was the teacher at this kindergarten.
The Hebrew text on the reverse, translated to English:
These are the two nieces of Riva (Rivka), who was also the teacher at the kindergarten in Wysokie Litewskie: The names of the two nieces are: Shela and Sara'le Their surname is Sdolski.
Riva later returned to Brest, and married Berke Schmidt, who changed his surname to Shmida in Israel.