Authorizing the city of St. Paul to sponsor a performing arts charter school as a model for city sponsorship of charter schools; authorizing the city to apply directly to the commissioner of children, families and learning for approval without prior application to the school board; authorizing the charter school to limit admission to pupils on the basis of ability or commitment to the performing arts, exempting the school from the admission lottery requirement; specifying certain school and student academic performance evaluation requirements and requiring annual sponsor reports to the legislature(ra)