<P> The first day of school in Costa Rica is in early February . The Education Ministry changes the date every year to ensure 200 effective days are in the school calendar . </P> <Table> <Tr> <Td> </Td> <Td> This section needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (September 2017) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This section needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (September 2017) (Learn how and when to remove this template message) </Td> </Tr> <P> In the United States, educational policy is determined primarily at the state level and at the level of individual school districts . Therefore, there is no one particular day on which all schools start . The first day of school for many school districts is on the day after Labor Day (first Monday in September). On that day, public transportation services increase and start the rush hour earlier . In some other school districts, school begins in August and late July . For example, in San Diego Unified School District, San Diego, California, the first school student's day of 2017 - 18 school year was set to August 28 . </P>

When do school years start around the world