Free summer schools, such as Primavera Online High School, are available online. As of September 2015, this school offers two summer courses where students can finish one session in four weeks.
Primavera Online High School, located in Chandler, Arizona, is an accredited institution that offers standardized Internet-based education to Arizona students below 21 years old. Participants can access Primavera's online learning environment any time and complete the course study at their convenience.
Time4Learning also offers a virtual classroom for children who want to engage in summer learning. Students in kindergarten up to the fifth-grade level can avail of the company's science and social studies online curriculum for free. These courses are provided at no cost since the lessons are not standardized in all states.