: This creates a drop$-$down list for the School field. The options are $$Chestnut Elementary$,$Hickory Middle$,$ and $$Poplar High$.$

: This creates a drop$-$down list for the Grade field. The options for this field will be added dynamically based on the selected School.

The options for the Grade field need to change dynamically based on the selected School. This requires JavaScript. When the selected School changes, a JavaScript function should update the options in the Grade field accordingly.