Web based school management system

Hi All, I need a web based school management system that will be built on PHP. We are find with any backend [login to view URL] developer will provide Help file, users and installation manual. Provide a well structured, extremely well commented code. There should obviously not be any copyright issues relating to the final product. - Your English language skills have to be excellent, as we will have to collaborate closely. - We require to be kept up-to-date on the progress made. - We might also want to communicate telephonically with the coder in case of serious problems. Below are the modules that I need; Students Employees Subjects Time Table Attendance Payroll Library Fees Accounts Examinations Assignments Performances/ Report Card sytem Question Bank Health Hostel Cafeteria Inventory Transport ID Card Appraisal Reports Settings SMS service- Bulk Comments Discipline If you have already done something in this regard, you can send me the demo to evaluate. Open to reliable and trusted programmers. Only honest and serious bidders need apply. This project should be delivered with its source code in full, technical specifications, and manuals. We are looking for long term relationship as we have ongoing requirements on various projects.