• This year the Whitesboro Teacher Resource Center is open 3 days a week, usually Tuesday, Wednesday and Thursday from 9:30  a.m. to 4:30  p.m. Please call 266-3323 or email lhilt@wboro.org to confirm that the Center is open before you come. Also, if you need the Center to be open later than 4:30 p.m., please call in advance and every effort will be made to accommodate you. Please see the WTRC Resources link to view the many ways we can assist you.