Damian W. Betebenner [aut, cre],
  Adam R. Van Iwaarden [aut],
  Ben Domingue [aut],
  Yi Shang [aut],
  Jonathan Weeks [ctb],
  John Stewart [ctb],
  Jinnie Choi [ctb],
  Xin Wei [ctb],
  Hi Shin Shim [ctb],
  Xiaoyuan Tan [ctb] (Arizona Department of Education),
  Carrie Giovannini [ctb] (Arizona Department of Education),
  Sarah Polasky [ctb] (Arizona State University),
  Rebecca Gau [ctb] (Arizona Charter School Association),
  Jeffrey Dean [ctb] (University of Arkansas),
  William Bonk [ctb] (Colorado Department of Education),
  Marie Huchton [ctb] (Colorado Department of Education),
  Allison Timberlake [ctb] (Georgia Department of Education),
  Qi Qin [ctb] (Georgia Department of Education),
  Melissa Fincher [ctb] (Georgia Department of Education),
  Kiran Athota [ctb] (Georgia Department of Education),
  Travis Allen [ctb] (Georgia Department of Education),
  Glenn Hirata [ctb] (Hawaii Department of Education),
  Glenn Nochi [ctb] (Hawaii Department of Education),
  Joshua Lee [ctb] (Hawaii Department of Education),
  Ayaka Nukui [ctb] (Idaho Department of Education),
  Carissa Miller [ctb] (Idaho Department of Education),
  Matthew Raimondi [ctb] (Elgin Area School District U46 (Illinois)),
  Wes Bruce [ctb] (Indiana Department of Education),
  Robert Hochsegang [ctb] (Indiana Department of Education),
  Tony Moss [ctb] (Kansas State Department of Education),
  Xuewen Sheng [ctb] (Kansas State Department of Education),
  Kathy Flanagan [ctb] (Massachusetts Department of Elementary and
    Secondary Education),
  Robert Lee [ctb] (Massachusetts Department of Elementary and Secondary
    Education),
  Ji Zeng [ctb] (Michigan Department of Education),
  Steve Viger [ctb] (Michigan Department of Education),
  Joe DeCastra [ctb] (Mississippi Department of Education),
  Ken Thompson [ctb] (Mississippi Department of Education),
  Soo Yeon Cho [ctb] (Missouri Department of Education),
  Jeff Halsell [ctb] (Clark County School District, Nevada),
  Selcuk Ozdemir [ctb] (Washoe County School District, Nevada),
  Roger Silva [ctb] (Nevada Department of Education),
  Deb Wiswell [ctb] (New Hampshire Department of Education),
  Katya Levitan-Reiner [ctb] (New Haven Public Schools),
  Catherine McCaslin [ctb] (New Haven Public Schools),
  Joshua Marland [ctb] (New York Education Department),
  W Joshua Rew [ctb] (Oregon Department of Education),
  Jason Becker [ctb] (Rhode Island Department of Education),
  Jessica Bailey [ctb] (Rhode Island Department of Education),
  Ana Karantonis [ctb] (Rhode Island Department of Education),
  Deborah Jonas [ctb] (Virginia Department of Education),
  Juan D'Brot [ctb] (West Virginia Department of Education),
  Nate Hixson [ctb] (West Virginia Department of Education),
  Deb Came [ctb] (Washington Office of Superintendent of Public
    Instruction),
  Ashley Colburn [ctb] (Washington Office of Superintendent of Public
    Instruction),
  Nick Hassell [ctb] (Washington Office of Superintendent of Public
    Instruction),
  Krissy Johnson [ctb] (Washington Office of Superintendent of Public
    Instruction),
  Daniel Bush [ctb] (Wisconsin Department of Education),
  Justin Meyer [ctb] (Wisconsin Department of Education),
  Joseph Newton [ctb] (Wisconsin Department of Education),
  Nick Stroud [ctb] (Wisconsin Department of Education),
  John Paul [ctb] (Wyoming Department of Education),
  Michael Flicek [ctb] (Michael Flicek Projects LLC working with Wyoming
    Department of Education),
  Phyllis Clay [ctb] (Albuquerque Public Schools),
  Peter Kinyua [ctb] (Albuquerque Public Schools),
  Brendan Houng [ctb] (University of Melbourne, Australia, NAPLAN),
  Leslie Rosale [ctb] (Ministry of Education, Guatemala),
  Nathan Wall [ctb] (eMetric working with Nevada Department of Education
    and South Dakota Department of Education),
  Julia English [ctb] (Massachusetts DESE),
  Sarah Jo Torgrimson [ctb] (Massachusetts DESE),
  Narek Sahakyan [ctb] (World Class Instruction and Design (WIDA))