Boston (AP) - The state is looking for help designing a new version of the Massachusetts Comprehensive Assessment System test.

The Department of Elementary and Secondary Education on Tuesday formally requested proposals from private companies to help develop and build the ``next-generation MCAS'' test.

The state decided last year to adopt a new version of the MCAS exams that will combine elements of the existing test with another test aligned with federal Common Core state standards.

The next-generation English and math MCAS tests would be given starting in spring 2017 to students in grades 3-8.

The state hopes to have statewide computer-based testing up and running by 2019.

Education Commissioner Mitchell Chester says it's time for an upgrade after 19 years of the current MCAS test.

All bids are due May 6.

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