Justice Loretta Rush is the second woman and the 108th justice to serve on Indiana's highest court.
Indiana does not require sex offenders who were convicted prior to the creation of the registry in 1994 to register.
Opponents of the voucher program say it is unconstitutional because it provides public funding to religious schools.
The Indiana State Teachers Association wants to overturn the state's voucher law, but one analyst says it faces an uphill battle.
The second woman to serve on Indiana's Supreme Court and the only woman now on the bench was sworn in Wednesday during a private ceremony.
Brent Dickson says the state needs to hire more judges and adopt newer technology to help reduce the current judges' caseloads.
When he leaves office, Governor Mitch Daniels will have appointed three of the five Supreme Court justice.
Loretta Rush will be the second woman to serve on the Indiana Supreme Court.
Indiana residents support the ideas of the federal health care law, results from a survey released Monday find.
Justice Brent Dickson was chosen to replace Randall Shepard as the state Supreme Court's chief justice.