i think this a simple project and you want to introduce your coaching institute which should contain some information like the student and faculty details like (Name, DOB, Class, Contact No etc) which should be available for public information and that should be shared over the internet.
for this you need a dynamic website where you can place you information like the organization structure, contact person, services provides by your organization, achievements etc..
i think the above discussed things are basic requirement for and organizational website and which should be look responsive and pretty. it will be completed by me with in 4 days and better to be implemented on the web by public domain with web space please specify if you have the domain and the space with you.