Conversation so far:
when was Immanuel Kant born?
April 22, 1724.
where was he born?
Konigsberg, Prussia.
who were his parents?
His mother, Anna Regina Reuter.
and his father?
His father, Johann Georg Kant (1682-1746), was a German.
did he have any siblings?
Kant was the fourth of nine children (four of them reached adulthood).

Question: where did he go to school?
Self-contained rewrite: where did Immanuel Kant go to school?