 Boyle entered Parliament in 1950 as MP for Birmingham Handsworth, a seat he would hold until his retirement in 1970.He served as Parliamentary Private Secretary to the Under-Secretary of State for Air from 1951 to 1952 and to the Under-Secretary of State for Defence in 1952, Parliamentary Secretary to the Minister of Supply from 1954 to 1955, Economic Secretary to the Treasury from 1955 to 1956, Parliamentary Secretary to the Minister of Education from 1957 to 1959, Financial Secretary to the Treasury from 1959 to 1962, Minister of Education from 1962 to 1964 and Minister of State for Education and Science in 1964.In 1957 he opened the new teaching block and science block extension at Abingdon School.