Spend a few dollars on hosting, and a domain name. Download and set up the full version of Wordpress and you will not be disappointed. Why play with Blogspot that is like a sandbox when you can own the whole school playground with Wordpress.
If you pay for hosting so I think wordpress is available in your cpanel. Why have you to download it?
i used both blogger and wordpress...every each has its unique. even i prefer wordpress for it has many easy to use plugin, but i also like blogger for it simplicity to do this or that...
I preffer wordpres it`s SEO ready with alot of modules and there are also alot of themes which are easy for modifying
With a bit of tweaking, your blogger template could be made highly SEO. Check out the site in my signature. This will give you an idea of the flexibility through Blogger.