Complex sentence: One of the college's most notable features is the assisted learning support or (ALS), this department is comprised of around 25 staff members who contribute to one of the most progressive and comprehensive learning support departments in central London.
Split into simpler sentences: One of the college's most notable features is the assisted learning support or (ALS). This department has around 25 staff members who contribute to one of the most progressive and comprehensive learning support departments in central London.