Complex sentence: She started her education in 1901 first in private schools in Vienna and took lessons from Heindrich Strehblow, and since 1902 from Franz Hohenberg and Ferdinand Kruis, later 1906-1912 in Paris in Académie Colarossi and École des Beaux Arts.
Split into simpler sentences: She started her education in 1901 first in private schools in Vienna, where she took lessons first from Heindrich Strehblow and then, starting in 1902, from Franz Hohenberg and Ferdinand Kruis. During 1906--1912 she studied in Paris in Académie Colarossi and École des Beaux Arts.