Conversation so far:
what was the purpose of the elementary and secondary education act of 1965
The purpose of Elementary and Secondary Education Act of 1965 was to provide additional resources for vulnerable students.
which president signed the elementary and secondary education act of 1965 into law
The Elementary and Secondary Education Act was passed by the 89th United States Congress and signed into law by President Lyndon B. Johnson on April 11, 1965.
have there been any modifications to the the elementary and secondary education act
Since 1965, the Elementary and Secondary Education Act has been modified and reauthorized by Congress several times.

Question: in what ways
Self-contained rewrite: in what ways was the elementary and secondary education act modified and reauthorized