It is legally a public charter, as a non-unified Arizona school district cannot teach both elementary and high school students.
When the National Reconnaissance Office was created in 1960, no public charter attended its birth.
And public charters, on which students fill whole planes for spring break, also play a role.
And an old technique is being revived, with help from the islands: public charters on a regular schedule, weekly or more often.
Every contract for a public charter must state clearly that it is a public charter.
The school opened in 2002 as Indiana's first public charter high school.
A public charter, Direct Air, ceased operations at the airport in March 2012.
In recent years charter airlines have opened up their ticket sales direct to the general public as 'public charters'.
The UK has over 500 radio stations, some of which are operated by public charter, with others being independent.
It is home to the Friendship Collegiate Academy, a public charter high school.