In June 2009 the charter was renewed without a plan to increase the numbers of special education students.

Following the 2010 school year, the school's charter was renewed for another five years.

Every five years the school is reviewed by the state to see whether the school's charter should be renewed.

After the king's death in 1610, the charter was renewed in 1611, for a period of 12 years.

In 1634 the charter was renewed for another eight years.

The charter was renewed in 1746, 1766 and 1786.

The charter was renewed in 1742, 1764, and 1781.

Its charter was renewed several times, but allowed to expire on 31 December 1799.

The charter was ultimately renewed for 10 years in early 1915.

In 1881 the charter was renewed for another 30 years.