- Ashley Hall (Charleston, SC)
- Belmont Hill School (Belmont, MA)
- Berkeley Preparatory School (Tampa, FL)
- Berwick Academy (South Berwick, ME)
- Blake School (Hopkins, MN)
- The Bolles School (Jacksonville, FL)
- Breck School (Golden Valley, MN)
- Brooklyn Friends School (Brooklyn, NY)
- Brentwood School (Los Angeles, CA)
- Buckingham Browne & Nichols (Cambridge, MA)
- Buckley School (Sherman Oaks, CA)
- The Bush School (Seattle, WA)
- Cape Henry Collegiate (Virginia Beach, VA)
- Carolina Day School (Asheville, NC)
- Cary Academy (Cary, NC)
- The Casady School (Oklahoma City, OK)
- Castilleja School (Palo Alto, CA)
- Catherine Cook School (Chicago, IL)
- Catlin Gabel School (Portland, OR)
- Chadwick School (Palos Verdes Peninsula, CA)
- Charlotte Country Day School (Charlotte, NC)
- Charlotte Latin School (Charlotte, NC)
- Children’s Day School (San Francisco, CA)
- The Children’s School (Atlanta, GA)
- Christ Church Episcopal School (Greenville, SC)
- Cincinnati Country Day School (Cincinnati, OH)
- Collegiate School (Richmond, VA)
- Colorado Academy (Denver, CO)
- Columbus Academy (Gahanna, OH)
- Cranbrook Schools (Bloomfield Hills, MI)
- Crystal Springs Uplands (Hillsborough, CA)
- The Derryfield School (Mancester, NH)
- Detroit Country Day School (Beverly Hills, MI)
- Duke School (Durham, NC)
- Durham Academy (Durham, NC)
- Dwight-Englewood School (Englewood, NJ)
- Elisabeth Morrow School (Englewood, NJ)
- Ensworth School (Nashville, TN)
- Episcopal Academy (Newtown Square, PA)
- Episcopal Day School (Augusta, GA)
- Evergreen School (The Shoreline, WA)
- Flint Hill School (Oakton, VA)
- Flintridge Preparatory School (La Cañada, CA)
- Fort Worth Country Day School (Fort Worth, TX)
- Francis Parker School (San Diego, CA)
- Francis W. Parker School (Chicago, IL)
- Friends Academy (Locust Valley, NY)
- Georgetown Day School (Washington, DC)
- Germantown Academy (Fort Washington, PA)
- Gilman School (Baltimore, MD)
- Girls Preparatory School (Chattanooga, TN)
- Grace-Saint Luke’s Episcopal School (Memphis, TN)
- Graland Country Day School (Denver, CO)
- Greenhill School (Addison, TX)
- Greenhills School (Ann Arbor, MI)
- Greens Farms Academy (Greens Farms, CT)
- Greenwich Academy (Greenwich, CT)
- Greenwich Country Day School (Greenwich, CT)
- Gulliver Preparatory School (Miami, FL)
- Harding Academy (Nashville, TN)
- Harley School (Rochester, NY)
- Harpeth Hall (Nashville, TN)
- Hawken School (Gates Mills, OH)
- Head-Royce School (Oakland, CA)
- Hillbrook School (Los Gatos, CA)
- The Hockaday School (Dallas, TX)
- Holland Hall (Tulsa, OK)
- Holton-Arms School (Bethesda, MD)
- Isidore Newman School (New Orleans, LA)
- John Burroughs School (St. Louis, MO)
- John Cooper School (The Woodlands, TX)
- Kamehameha Schools Hawai’i (Kea’au, HI)
- Kent Denver School (Denver, CO)
- Kent Place School (Summit, NJ)
- Kentucky Country Day School (Louisville, KY)
- Key School (Annapolis, MD)
- The Kinkaid School (Houston, TX)
- Lake Forest Country Day School (Lake Forest, IL)
- Lancaster Country Day School (Lancaster, PA)
- The Langley School (McLean, VA)
- Latin School of Chicago (Chicago, IL)
- Laurel School (Shaker Heights, OH)
- Lexington School (Lexington, KY)
- Lovett School (Atlanta, GA)
- Marin Country Day School (Corte Madera, CA)
- Marist School (Atlanta, GA)
- Mary Institute & St. Louis Country Day School (St. Louis, MO)
- McDonogh School (Owings Mills, MD)
- McGillis School (Salt Lake City, UT)
- Metairie Park Country Day School (Metairie, LA)
- Milton Hershey School (Hershey, PA)
- Moorestown Friends School (Moorestown, NJ)
- Moses Brown (Providence, RI)
- Mounds Park Academy (St. Paul, MN)
- National Cathedral School (Washington, DC)
- Newark Academy (Livingston, NJ)
- New Canaan Country School (New Canaan, CT)
- Nichols School (Buffalo, NY)
- Noble and Greenough (Dedham, MA)
- Norfolk Academy (Norfolk, VA)
- North Shore Country Day School (Winnetka, IL)
- Nueva School (San Mateo, CA)
- Oregon Episcopal School (Portland, OR)
- Out-of-Door Academy (Sarasota, FL)
- Pace Academy (Atlanta, GA)
- Pacific Ridge School (Carlsbad, CA)
- Palm Beach Day Academy (West Palm Beach, FL)
- Parish Episcopal School (Dallas, TX)
- Park School (Brookline, MA)
- Park Tudor School (Indianapolis, IN)
- Pembroke Hill School (Kansas City, MO)
- Pike School (Andover, MA)
- Pine Crest Preparatory School (Fort Lauderdale, FL)
- Pingry School (Basking Ridge, NJ)
- Poly Prep Country Day (Brooklyn, NY)
- Polytechnic School (Pasadena, CA)
- Porter-Gaud School (Charleston, SC)
- Potomac School (McLean, VA)
- Prairie School (Wind Point, WI)
- Princeton Day School (Princeton, NJ)
- Providence Day School (Charlotte, NC)
- Punahou School (Honolulu, HI)
- Randolph School (Huntsville, AL)
- Ransom Everglades School (Coconut Grove, FL)
- Ravenscroft School (Raleigh, NC)
- Riverdale Country School (Bronx, NY)
- Rowland Hall (Salt Lake City, UT)
- The Roxbury Latin School (West Roxbury, MA)
- Rumson Country Day School (Rumson, NJ)
- Rutgers Preparatory School (Somerset, NJ)
- San Francisco Day School (San Francisco, CA)
- Seattle Academy (Seattle, WA)
- The Seven Hills School (Cincinatti, OH)
- Sewickley Academy (Sewickley, PA)
- Shady Hill School (Cambridge, MA)
- Shore Country Day School (Beverly, MA)
- St. Andrew’s Episcopal School (Ridgeland, MS)
- St. Christopher’s School (Richmond, VA)
- St. George’s Independent School (Collierville, TN)
- St. John’s Episcopal School (Dallas, TX)
- St. John’s School (Houston, TX)
- St. Luke’s School (New Canaan, CT)
- St. Margaret’s Episcopal School (San Juan Capistrano, CA)
- St. Martin’s Episcopal School (Atlanta, GA)
- St. Paul Academy & Summit School (St. Paul, MN)
- The St. Paul’s Schools (Brooklandville, MD)
- St. Stephen’s & St. Agnes School (Alexandria, VA)
- Summit Country Day School (Cincinnati, OH)
- Summit School (Winston-Salem, NC)
- The Tatnall School (Wilmington, DE)
- Tower Hill School (Wilmington, DE)
- Trinity Episcopal School (Charlotte, NC)
- Trinity School of Durham and Chapel Hill (Durham, NC)
- Trinity Valley School (Fort Worth, TX)
- University Prep (Seattle, WA)
- University School of Milwaukee (Milwaukee, WI)
- University School of Nashville (Nashville, TN)
- Viewpoint School (Calabasas, CA)
- Waterford School (Sandy, UT)
- Waynflete School (Portland, ME)
- Westminster Schools (Atlanta, GA)
- Wheeler School (Providence, RI)
- Wildwood School (Los Angeles, CA)
- William Penn Charter School (Philadelphia, PA)
- Wilmington Friends School (Wilmington, DE)
- Winchester Thurston School (Pittsburgh, PA)
- Winsor School (Boston, MA)
- Woodward Academy (College Park, GA)
