Original sentence: The renovations are to be completed by April 2008, two years ahead of schedule.This will be an significant upgrade over the old science facilities
Edited sentence: A huge problem is the lack of a digital portfolio system that requires students to manage huge amount of paper to organize themselves for graduation.However incompetence of town leaders, contruction, and serveral major errors in planning have cause this school to become almost a nightmare.The computers are yet to work, many are not even connected to the internet.The renovations were to be completed by April 2008, two years ahead of schedule