| Organizations performing similar types of work |
| Id | Name | Address | State | Established | Total Income |
| 1 | Showa Womens University Inc | Setagaya-Ku Tokyo Japan, Japan | international | | $135,125,320 |
| 2 | Haverford School | 450 Lancaster Ave, Haverford, PA 19041-1337 | PA | 1942-10 | $43,998,160 |
| 3 | Oakwood School | 11600 Magnolia Blvd, N Hollywood, CA 91601-3015 | CA | 1952-09 | $29,458,443 |
| 4 | Calhoun School Inc | 433 W End Ave, New York, NY 10024-5759 | NY | 1941-02 | $29,379,152 |
| 5 | Washington International School | 3100 Macomb St Nw, Washington, DC 20008-3324 | DC | 1966-08 | $28,127,706 |
| 6 | Colorado Academy | 3800 S Pierce St, Denver, CO 80235-2404 | CO | 1952-04 | $27,075,371 |
| 7 | Randolph School | 1005 Drake Ave Se, Huntsville, AL 35802-1036 | AL | 1960-11 | $22,890,317 |
| 8 | Vail Mountain School | 3000 Booth Falls Rd, Vail, CO 81657-4631 | CO | 1970-12 | $18,936,297 |
| 9 | Creative Center Of Los Altos, Pinewood School | 327 Fremont Ave, Los Altos, CA 94024-4000 | CA | 1964-10 | $17,672,487 |
| 10 | Pinewood Preparatory School | 1114 Orangeburg Rd, Summerville, SC 29483-8904 | SC | 1974-12 | $7,361,897 |
| 11 | Hammond School | 854 Galway Ln, Columbia, SC 29209-2037 | SC | 1984-02 | $14,309,028 |
| 12 | Hilton Head Preparatory School | 8 Foxgrape Rd, Hilton Head, SC 29928-5918 | SC | 1971-09 | $7,985,191 |
| 13 | Hilton Head Christian Academy | 55 Gardner Dr, Hilton Head, SC 29926-2421 | SC | 1984-08 | $4,961,770 |
| 14 | Mason Preparatory School | 56 Halsey Blvd, Charleston, SC 29401-1121 | SC | 1965-05 | $3,807,129 |
| 15 | Christian Academy | 304 N Oak St, Myrtle Beach, SC 29577-3962 | SC | 1995-01 | $1,750,865 |
| 16 | Colleton Preparatory Academy Inc | PO BOX 1426, Walterboro, SC 29488-0014 | SC | 1990-01 | $1,637,499 |
| 17 | Low Country Day School Inc | 300 Blue Stem Dr, Pawleys Isl, SC 29585-7763 | SC | 1996-10 | $1,478,981 |
| 18 | Cambridge Academy | 103 Eastman St, Greenwood, SC 29649-1133 | SC | 1968-09 | $1,333,063 |
| 19 | Holly Hill Academy Inc | PO BOX 757, Holly Hill, SC 29059-0757 | SC | 1970-07 | $1,302,432 |
| 20 | Marlboro Academy Inc | 1035 Bennettsvile Firetower Rd, Bennetsville, SC 29512-6923 | SC | 1968-12 | $1,250,400 |
| 21 | Oconee Christian Academy | 150 His Way Cir, Seneca, SC 29672-6876 | SC | 1995-01 | $1,070,230 |
| 22 | Francis Hugh Wardlaw Academy | 1296 Columbia Rd, Johnston, SC 29832-2734 | SC | 1971-11 | $871,249 |
| 23 | Montessori School Of Florence | 510 W Palmetto St, Florence, SC 29501-4428 | SC | 1997-03 | $869,839 |
| 24 | Jefferson Davis Academy Inc | 5061 Hilda Rd, Blackville, SC 29817-2147 | SC | 1976-08 | $857,674 |
| 25 | Carolina Academy | 351 N Country Club Rd, Lake City, SC 29560-4045 | SC | 1976-03 | $852,276 |
| 26 | Montessori School Of Pawleys Island | 236 Commerce Dr, Pawleys Isl, SC 29585-6054 | SC | 1996-08 | $550,744 |
| 27 | Montessori Elementary School Of Columbia Inc | 2807 Oceola St, Columbia, SC 29205-3846 | SC | 1984-05 | $429,722 |
| 28 | Providence Christian Academy | PO BOX 10, Six Mile, SC 29682-0010 | SC | 1991-03 | $362,532 |
| 29 | Archibald Rutledge Academy Inc | 1011 Old Cemetery Rd, Mcclellanvle, SC 29458-9735 | SC | 1976-05 | $238,505 |
| 30 | Long Cane Academy Inc | 1317 Overbrook Dr, Mc Cormick, SC 29835-6607 | SC | 1974-12 | $237,417 |
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