Adds a new education bonus to the base tax credit set out in GS 105-129.105 for qualified rehabilitation expenditures for a certified historic structure located in the state. Creates a bonus of 5% of expenses not exceeding $20 million if the initial use of the building was for an educational purpose and following the rehabilitation, the building is placed into service for an educational purpose, and remains used for that purpose each year the credit or carryforward credit is claimed, proportionate to the amount of the building used for that purpose, if appropriate. Effective for taxable years beginning on or after January 1, 2021.