Sentence 1: In 1858 he graduated from the Galatasaray School in Schumen and became a teacher in Istanbul , where he remained until 1864 .
Sentence 2: He graduated from the Galatasaray High School in Istanbul in 1858 and became a teacher in Shumen , where he remained until 1864 .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?