About Us 

ATLIS was founded in 2014 as a national professional association, offering targeted professional development, an already-celebrated mentorship program, resources and networking for members and the extended community.  As of June 1, 2018, ATLIS includes over 160 member schools seeking to share knowledge and resources with colleagues throughout the US. 

Alexandria Country Day School , Virginia
Alice and Nahum Lainer School , California
Augusta Preparatory Day School , Georgia
Berkeley Carroll School , California
Berkeley Hall School , California
Blue Oak School , California
Blue Ridge School , Virginia
Boulder Country Day , Colorado
Brandeis Marin , California
Breck School , Minnesota
Campbell Hall , California
Cannon School , North Carolina
Carrollton School of the Sacred Heart , Florida
Cascades Academy , Oregon
Castilleja School , California
Catlin Gabel School , Oregon
Charlotte Latin School , North Carolina
Chatham Hall , Virginia
Children's Day School , California
Christian Academy of Knoxville , Tennessee
Collegiate School , Virginia
Colorado Academy , Colorado
Convent & Stuart Hall Schools of the Sacred Heart San Francisco , California
Cranbrook Schools , Michigan
Crystal Springs Uplands School , California
Drew School , California
Duke School , North Carolina
Durham Academy , North Carolina
Episcopal High School , Virginia
Ethical Culture Fieldston School , New York
Flintridge Preparatory School , California
Fort Worth Country Day , Texas
Francis W. Parker School , Illinois
Garrison Forest School , Maryland
Gillispie School , California
Gilman School , Maryland
Greensboro Day School , North Carolina
Groton , Massachusetts
Groves Academy , Minnesota
Gulliver Schools , Florida
Hathaway Brown School , Ohio
Head-Royce School , California
Holderness School , New Hampshire
Hopkins School , Connecticut
Interlochen Arts Academy , Michigan
International School of the Peninsula , California
Isidore Newman School , Louisiana
John Burroughs School , Missouri
Kent Denver School , Colorado
Kent Place School , New Jersey
Keys School , California
Latin School of Chicago , Illinois
Laurel School , Ohio
Marin Country Day School , California
Marlborough School , California
Mary McDowell Friends School , New York
McDonogh School , Maryland
Miami Country Day School , Florida
Montclair Kimberley Academy , New Jersey
Montessori Academy of Carrollwood , Florida
Mount Tamalpais School , California
Nardin Academy , New York
Newton Country Day School of the Sacred Heart , Massachusetts
Oak Knoll School of the Holy Child , New Jersey
Oakwood School , California
Open Window School , Washington
Oregon Episcopal School , Oregon
Peddie School , New Jersey
Phillips Brooks School , California
Pingree School , Massachusetts
Polytechnic School , California
Pomfret School , Connecticut
Princeton Academy of the Sacred Heart , New Jersey
Prospect Sierra School , California
Providence Day School , North Carolina
Punahou School , Hawaii
Ravenscroft School , North Carolina
Roland Park Country School , Maryland
Roland Park Country School OLD , Maryland
Saddle River Day School , New Jersey
Sage Hill School , California
Saint Andrew's Episcopal School , California
Saint Michael's Episcopal Day School , California
San Francisco Day School , California
Seven Hills School , California
Sidwell Friends School , District of Columbia
Southpointe Academy , Canada
St Hilda's & St Hugh's , New York
St Joseph School , Washington
St. Andrew's Episcopal School , Texas
St. Anne's Episcopal School , Colorado
St. Christopher's School , Virginia
St. David's School , North Carolina
St. George's Episcopal School , Louisiana
St. Ignatius Loyola Academy , Maryland
St. Luke's School , Connecticut
St. Margarets Episcopal School , California
St. Mark's School , Massachusetts
St. Matthew's Parish School , California
St. Stephen's and St. Agnes School , Virginia
St. Stephen's Episcopal Day School , Florida
Stevenson School , California
Synergy School , California
Temple Beth Am Day School , Florida
Thayer Academy , Massachusetts
The Agnes Irwin School , Pennsylvania
The Allen-Stevenson School , New York
The Athenian School , California
The Berkeley School , California
The Blake School , Minnesota
The Brandeis School of San Francisco , California
The Brearley School , New York
The Bryn Mawr School , Maryland
The Bush School , Washington
The Carey School , California
The Center For Early Education , California
The Children's School , Georgia
The College Preparatory School , California
The Derryfield School , New Hampshire
The Elisabeth Morrow School , New Jersey
The Epstein School , Georgia
The First Academy , Florida
The Frances Xavier Warde School , Illinois
The Girls' Middle School , California
The Hamlin School , California
The Harker School , California
The Hewitt School , New York
The Hockaday School , Texas
The Hotchkiss School , Connecticut
The Key School , Maryland
The Kinkaid School , Texas
The Lovett School , Georgia
The Madeira School , Virginia
The New School , Arkansas
The Newman School , Massachusetts
The Oakridge School , Texas
The Potomac School , Virginia
The Speyer Legacy School , New York
The Thacher School , California
The University of Chicago Laboratory Schools , Illinois
The Urban School of San Francisco , California
The Wesley School , California
The Wheeler School , Rhode Island
The Willows Community School , California
The Winsor School , Massachusetts
Tilton School , New Hampshire
Trinity Episcopal School , Texas
Trinity Preparatory School , Florida
Trinity School , Georgia
Trinity School of Midland , Texas
Trinity Valley School , Texas
University Prep , Washington
University School , Ohio
Viewpoint School , California
Village School , California
Virginia Episcopal School , Virginia
Washington International School , District of Columbia
Williston Northampton School , Massachusetts
Windward School , California
Woodberry Forest School , Virginia
Woodward Academy , Georgia
Worcester Academy , Massachusetts