Familiarity with tests and increased Internet capabilities helped districts administer assessments, but state system experienced glitches when overloaded.
After educators say interim test reports designed to improve teaching were too vague to be useful, the consortium that created them promises to do better.
The State Board of Education is expected to vote on withholding a small portion of the contract payment.
Students made gains at all grade levels in math and English language arts.
2016 reports will show how students progressed from last year to this year.
Districts are also receiving reports to review student subgroups' performance.
Curriculum materials, teacher training and technology are expected to boost scores.
Great Schools provides clear information and tools for advocacy.
Districts required to meet participation rates and tell parents they can opt out.
The Commission on State Mandates ruled in favor of five local education agencies.
Parents were originally supposed to receive their children's scores on the new Smarter Balanced tests within first 20 working days of the school year.
Districts say more detailed information is needed for tests to be useful.