Original sentence: The MBA and Sloan Fellowship MSc programs are accredited through AMBA.The School is consistently ranked as one of the top business schools in the world, and is committed to becoming the pre-eminent global business school
Edited sentence: It provides students with the knowledge, skills and attributes required for success in global business.The 15-21 month programme is rigorous and flexible.The MBA and Sloan Fellowship MSc programs are accredited through the prestigious  AMBA.The School is consistently ranked  as one of the top business schools in the world, and is committed to becoming the pre-eminent global business school