ATLIS is proud to have the support of these outstanding independent schools. We are committed to continuing to grow responsibly, so that the value that we add to our member schools is unquestioned.

Alexandria Country Day School, VA

Saddle River Day School, NJ

Alice and Nahum Lainer School, CA

Sage Hill School, CA

Augusta Preparatory Day School, GA

Saint Andrew's Episcopal School, CA

Berkeley Carroll School, CA


Billings Middle School, WA


Blue Oak School, CA

Saint Michael's Episcopal Day School, CA

Boulder Country Day School, CO

San Francisco Day School, CA

Brandeis Marin School, CA

Santa Catalina School, CA

Campbell Hall, CA

Seven HIlls School, CA

Cannon School, NC

Shore Country Day School, MA

Carrollton School of the Sacred Heart, FL

St. Anne School, CA

Castilleja School, CA

St. Anne's Episcopal School, CO

Catlin Gabel School, OR

St. Christopher's School, VA

Chadwick School, CA

St. David's School, NC

Charlotte Latin School, NC

St. George's Episcopal School, LA

Chatham Hall , VA

St. Margaret's Episcopal School, CA

Children's Day School, CA

St. Matthew's Parish School, CA

Collegiate School, VA

St. Michael's Episcopal Day School, CA

Colorado Academy, CO

St. Stephen's Episcopal Day School, FL


St Stephen's and St. Agnes School, VA

Convent and Stuart Hall Schools of the Sacred Heart, CA

Stevenson School, CA

Crystal Springs Uplands School, CA

Synergy School, CA

Drew School, CA

Tarbut V'Torah Community Day School, CA

Duke School, NC

Thayer Academy, MA

Episcopal High School, VA

The Agnes Irwin School, PA

Ethical Culture Fieldston School, NY

The Athenian School , CA

Fort Worth Country Day School, TX

The Berkeley School, CA

Francis W. Parker School, IL

The Blake School, MN

Garrison Forest School, MD

The Brandeis School of San Francisco, CA

Gilman School, MD

The Bryn Mawr School, MD

Greensboro Day School, NC

The Carey School, CA

Groton School, MA

The Center for Early Education, CA

Groves Academy, MN

The Children's School, GA

Gulliver Schools, FL

The College Preparatory School, CA

Hathaway Brown School, OH

The Derryfield School, NH

Head-Royce School, CA

The Elisabeth Morrow School, NJ

Hopkins School, CT

The Girls' Middle School, CA

Holderness School, NH


Interlochen Arts Academy, MI

The Hamlin School, CA

International School of the Peninsula, CA

The Harker School, CA

John Burroughs School, MO

The Hockaday School, TX

Kent Denver School, CO

The Hotchkiss School, CT

Kent Place School, NJ


Keys School, CA

The Kinkaid School, TX

Latin School of Chicago, IL

The Lovett School, GA

Laurel School, OH

The Madeira School, VA

Marin Country Day School, CA

The New School, AR

Marlborough School, CA

The Newman School, MA

Mary Institute and St. Louis Country Day School, MO

University of Chicago Laboratory Schools, IL

McDonogh School, MD

The Urban School of San Francisco, CA

Miami Country Day School, FL

The Speyer Legacy School, NY

MilikenCommunity Schools, CA

The Wesley School, CA

Missouri Military School, MO

The Wheeler School, RI

Montclair Kimberley Academy, NJ

The Willows Community School, CA

Mount Tamalpais School, CA

The Winsor School, MA

Nardin Academy, NY

Tilton School, NH


Trinity Episcopal School, TX

Oakwood School, CA

Trinity School, GA


Trinity School of Midland, TX

Open Window School, WA

Trinity Preparatory School, FL

Palm Valley School, CA

Trinity Valley School, TX

Phillips Brooks School, CA

University Prep, WA

Polytechnic School, CA

University School, OH

Pomfret School, CT

Viewpoint School, CA

Presidio Knolls School, CA

Virginia Episcopal School, VA

Providence Day School, NC

Washington International School, DC

Punahou School, HI

Williston Northampton School, MA

Ravenscroft School, NC

Windward School, CA

Roland Park Country Day School,MD

Woodberry Forest School, VA


Woodside Priory School, CA


Woodward Academy, GA


Worcester Academy, MA