International Virtual School London is one of the best international online school. IVSL is a modern-day virtual school where all the concerns of the traditional school system are bridged through scientifically laid out future-oriented virtual methods. When choosing an online high school, it is important to make sure that it is accredited by a reputable organization such as the US Department of Education or the Council for Higher Education Accreditation. Pre primary online schooling has become increasingly popular in recent years, as more and more families are looking for ways to provide their children with a quality education.