Use Filter by Selection to filter the table to show only records where the student's DOB is 10/25/1998 or later.
a) Click on the DOB column header, then choose Filter by Selection and select the date 10/25/1998 in the filter options.
b) Right-click on the DOB of a student born on 10/25/1998 or later and select Filter by Selection from the dropdown menu.
c) Click on any cell within the DOB column for a student born on or after 10/25/1998, then click Filter by Selection in the ribbon's Data tab.
d) Highlight the DOB values in the column that are on or after 10/25/1998, then choose Filter by Selection from the context menu.