Between 64 and 77 percent of students with disabilities scored at the lowest level on the tests, which are given in math and English/language arts.
Readers found posts on common standards and their implications for students with disabilities particularly compelling this year.
Zakiyyah McWilliams, the eighth special education administrator the district has had in the past five years, resigned prior to the release of the investigative report.
The founder of the National Association for African American Children with Learning Differences said the organization plans to continue providing some resources, mainly through its website.
Part C of the Individuals with Disabilities Education Act, intended for infants and toddlers with disabilities, has been basically level-funded while other programs for young children grow.
A new law that went into effect earlier this year is proving challenging to implement as the 2014-15 school year reaches its halfway point, according to local reports.
The Blackman-Jones case, filed in 1997, said the school system had systemic problems in meeting the mandates of the Individuals with Disabilities Education Act.
The Democrat from Iowa has been instrumental in several laws related to education and employment of people with disabilities over his 40 years in Congress.
The legal action, filed in 2010, alleged that New Orleans' conversion to a district dominated by charter schools largely left students with disabilities behind.
In Timothy W. v Rochester, the court confirmed that children with the most severe handicaps are entitled to services under the Individuals with Disabilities Education Act.