The body in charge of NAPLAN has given itself a pass mark, despite problems plaguing the move to online testing.

Over 670,000 students - about half the total cohort - took NAPLAN tests using computers instead of pens and paper this year.

However, many had to re-sit the tests after having trouble connecting or saving their work, which also prompted a review of the system .

Still, the Australian Curriculum and Assessment Reporting Authority's annual report for 2018/19 says it successfully delivered and reported on the national tests “including delivery of NAPLAN Online in 2019”.

“As with all large technology-related projects, this has not been without its challenges,” ACARA chair Belinda Robinson said.

“There is, however, no doubt that moving online will deliver greater precision of performance assessment and the true benefits of online assessment will be more fully realised once all schools are online,” she wrote in the report's foreword.

Chief executive David de Carvalho described the connectivity issues as “regrettable”.