how to make a blogroll in blogger:
(If you already followed your classmates blogs, you will be able to add
the list of blogs you follow to your blogroll in one click).
sign into blogger
click dashboard
click settings under the blog for this class
click layout
click page elements
click add a gadget
click my blog list
then you can either add blogs by URL, or click the bottom to add all the blogs you follow (whichever you think is faster)
(to follow blogs, sign into blogger, go to the link and click follow in the sidebar)