Career
He was also a Canon of Windsor (1572 to 1625) and Archdeacon of Leicester (1591 to 1625), and using the income from these and other church posts he held concurrently, he founded free grammar schools in Oakham and Uppingham in 1584, as well as other charitable institutions. He enjoyed the patronage of William Cecil, 1st Baron Burghley. Robert Johnson died on 23 July 1625 in North Luffenham and his memorial is in the chancel of the church there.
Among other endowments and foundations, Archdeacon Johnson founded Hospitals of Christ in Oakham and Uppingham, and re-founded and endowed the old hospital of Saint John the Evangelist and Saint Anne in Oakham.
The schools and hospitals received their charter from Queen Elizabeth I in 1587. He was also one of the eight founding fellows of Jesus College, Oxford.
A statue of Johnson can be seen on the Victoria Tower of Uppingham School.