School Management is a WordPress plugin to manage multiple schools and their entities such as classes, sections, students, exams, ID cards, admit cards, teachers, staff, fees, invoices, income, expense, noticeboard, study materials and much more.
Payment gateway : Paypal, Stripe, Pesapal , Paystack , Razorpay , PayTM

SMS Service Provider : Nexmo, Twilio, MsgClub, SMS Striker, Msg91, TextLocal, EBulkSMS

For more details to visit : http://theschool-management.com/