Welcome to the MPISD FirstClass Website If you are an MPISD Employee and would like to check your FirstClass email, you can use FirstClass webmail.  It's just like using FirstClass. Download the latest FirstClass Client to take advantage of all the latest features. Search the FirstClass directory for users and email addresses. Return to the MPISD home page. Educational and employment opportunities are offered by the Mount Pleasant Independent School District without regard to race, religion, national origin, sex, age or disability.