Client received a 100 percent evaluation assigned for posttraumatic stress disorder with alcohol use disorder from April 2, 2015; entitlement to service connection for traumatic brain injury evaluated with posttraumatic stress disorder effective April 30, 2020; entitlement to special monthly compensation based on housebound criteria being met from April 2, 2015; entitlement to an earlier effective date for the grant of eligibility for Dependents’ Educational Assistance under 38 USC chapter 35, with a new effective date of April 2, 2015.