You could do something simple in Excel.
Here's how to create drop-down lists.
Open a new Work book.
In the first cell of a column type in a heading such as 'School Name'.
Click the cell directly below this and then go to the toolbar at the top and select data....validation.
From the box that appears select the settings tab and for the validation criteria select list.
In the source box type in School A, School B, School C etc.
Click O.K.
Now when you click on that cell you will be given a drop down list of the schools you have entered. You can click on the corner of the cell and drag it down across all of the cells below and it will auto fill the with the list.
Alternatively you could do something similar like this.
Open a new Work book.
Ensure that you have the formula toolbar showing - view....toolbars....formula.
On the second worksheet create your list of schools like this: School A in Cell A1, School B in Cell A2, School C in Cell A3 etc.
Select all of the cells. At the left end of the formula tool bar is a box called the name box. Type a name for you range of cells in here.
On the first worksheet, in the first cell of a column type in a heading such as 'School Name'.
Click the cell directly below this and then go to the toolbar at the top and select data....validation.
From the box that appears select the settings tab and for the validation criteria select list.
In the source box type = 'the name of your range'
Click O.K.
Now when you click on that cell you will be given a drop down list of the schools you have entered on the second worksheet.
You can click on the corner of the cell and drag it down across all of the cells below and it will auto fill the with the list.
You can created all of you other drop down lists in the same way.