Get ahold of each school and ask the office person if they have archive books that go back that far...ehh?
1960-69 charleston miss allen-carver high school yearbook
Have you tried to contact any of your alumni? What about the schools? You might could contact them and they can possibly point you in the right direction. Good-Luck.
Though old books are difficult to buy but there are many websites and you can easily purchase old books from them. You can visit amazon and this website will help you to find number of old books. However, for your specific question you can simply visit the following link and it will definitely help you to find the desired one. You can visit the following link which is as follow: