Class 4 Letter Writing – Reply Home » Student Work » Protected: Class 4 Letter Writing – Reply Read more » Content on this site is restricted to parents, students and Castelli International Staff.If you are an existing user, login below. To Register to use the website , signup today Existing Users Log InUsernamePassword Remember Me Forgot password? Click here to resetNew User? Click here to register Mr Clarke Well done, Ady! Natasha Palladino Good job Adrien and Mr.Clarke!