Home Access Center allows parents and students to view student registration, scheduling, attendance,ignment, and grade information. Home Access Center .1990-2018 SunGard Public Sector Inc. All Rights Reserved. This program is PROPRIETARY and CONFIDENTIAL information of SunGard Public Sector Inc., and .HAC email alerts have been disabled. If you receive an email alert in error, please alert your local school. Please Note: Home Access Center HAC is the .Welcome to Carroll County Public School 's Home Access Center. To begin, please enter your username and p.word. Your username is the email address .