I have to discuss the benefits of using a relational database compared to a spreadsheet for making a piece of software for the department of education designed to store information about schools, pupils and attendance.
The benefits of a relational database are not in the storing of data but in the retrieval of it and in the database's ability to "grow" without additional programming.
I used to work for the Denver Public Schools and they have a very good and reasonably stable Master Student Database called SaSIxp...
It features record data for all 86+ schools, every student (86,000), all demographic data, all admin. data, all curricula, etc...pretty impressive...and yes, it is and has to be a database.
The biggest point to make to your prospective listeners/decision makers is that reporting off of a spreadsheet is far too difficult and cumbersome compared to what most any databases can do; whether it be MS Access, Crystal Reports, SPSS, etc...
Spreadsheets are exactly that...accounting and number crunching intensive calculations files...you can develop some pretty slick database-like functions in Excel using macros but why when the database is already waiting for you?