NBC News reported:
The nonprofit organization, which administers the exam, said in a report released Thursday that the mean score in reading was 495, down from 497 the previous year. For math, it was 511, down from 513. Writing scores dropped three points, to 484 from 487. The top score in each category is 800.
The latest scores continue a decline since 2010, when the means were 500 in reading, 515 in math, and 491 in writing.
A record 1.7 million students from the Class of 2015 took the exam, up from 1.67 million the 2014 class.