“School” means any one of the following: a.
(a)#
A public school, as described in s. 115.01 (1).
(b)#
A private school, as defined in s. 115.001 (3r).
(bm)#
A tribal school, as defined in s. 115.001 (15m).
(c)#
A technical college pursuant to a contract under s. 118.15 (2).
(d)#
A course of study meeting the standards established by the state superintendent of public instruction under s. 115.29 (4) for the granting of a declaration of equivalency of high school graduation.