Russell Hobby, general secretary of the National Association of Head Teachers (NAHT), said the results were "excellent news".
"It shows the hard work that's going on in the system and has been going on for some years."
He said the majority of primaries will not be academies, which shows that schools can improve "no matter what their status".
More top news
Official photos from the royal wedding are used across many of the papers.
MPs say there must be no way back for the former London mayor as he hints he could seek to rejoin the party.
President Donald Trump has requested that the Justice Department investigates whether the FBI infiltrated his campaign.