My father put me onto this site as i am looking for information on Pro Second Amendment Information.
One of the greatest aides you could aquire on this subject would be "The Bill of Rights Primer, A Citizens Guidebook to the American Bill of Rights" by Akhil Reed Amar, and Les Adams.
It is published by Palladum Press, Birmingham Alabama, and SHOULD be in your school library, but I would bet all I own, it is not. Check with the city library, but if not available there you can get it from Amazon.
A great premise to start with on your speech is the idea that all the Amendments need to be read in order of appearance after reading all the Articles of the Constitution, in order to comprehend the textual meaning of the 2nd Amendment, as well as the 1st, 3rd, etc. etc.
Notice the 1st Amendment limits the power of government to interfere in ANY manner with your right to say what you think, worship how you wish, and to assemble to petition the government for redress of grievances, (or to "protest" against things we don't want our government to to continue doing.)
The 2nd Amendment comes along directly afterward, to specifically make clear that the right to keep and bear arms backs up our right to secure a free state, in order that we may say what we think, worship as we want, and change our government's policies if we so choose.
The intent of the 2nd, is something your teachers may not wish to hear. However, the fact is, that Amendment is part of our "Contract" with each other that we agree to never live under an oppressive government.
The only reason anyone would wish to remove that right, is for the purpose of establishing an oppressive dictatorship. While there are those who say they would agree with abolishing the 2nd Amendment because of concern, or "compassion", those people ignore history.
As you keep reading the Amendments, you may notice each demonstrates we RESERVE our Rights, while we LIMIT the powers of Government. Once we give up our 2nd Amendment, we have no method to LIMIT the powers of government at all.
For example, Viet Nam, Cambodia, China, Germany, Poland, Czechoslavakia, and many, many other countries have experienced massive genocides and mass murders. One thing these countries had in common, was a disarmed populace.
So hopefully your teacher is not anti-2nd Amendment, and is sincerely wanting you to learn the truth about our 2nd Amendment's purpose. If so, you may ask him or her to see if your library can obtain some copies of the "Bill of Rights Primer" for your school library.
Good luck with your project.