You can definitely create the drop down menu in education hub theme .
For creating the drop down you simply need to create the menu by going to Admin Panel > Appearance > Menus . Here you can add your required menu item . Now finally create the dropdown by dragging the menu under the parent menu and save .
For clear info please refer to below screen shot :
The cookie settings on this website are set to "allow cookies" to give you the best browsing experience possible. If you continue to use this website without changing your cookie settings or you click "Accept" below then you are consenting to this.