Former school sites being mooted for sale should remain in public hands, Education Spokesperson, Sue Pennicuik MP said today.

Greens MP Nina Springle says the youth justice minister should heed the no-confidence motion passed by parliament's upper house and start putting the best interests of children before petty tough-on-crime posturing.

Greens youth justice spokesperson Nina Springle says the Victorian Government need to stop blocking parliamentarians from visiting the Grevillia unit at Barwon Prison.