Gender: girl
School:
School #4A
I searched for Kozlowska and S*, and although I thought Sara was a relatively common name, there were only 4-5 entries with the corresponding name and only one of those had a date of birth that worked out. It says she was in school #4A, which means she would have been born any time between 1929 and 1934. This Sara that I have found was born in 1933 and therefore matches quite well.