Schools in South Korea
| Nr | Company name | Location | Employees | Turnover |
| 1 | PAYCO | 201 – 500 | $114.3M | |
| 2 | Gyeonggi Global School | Ilsan-dong, Goyang-si, South Korea | 51 – 200 | $109.5M |
| 3 | Inke | 201 – 500 | $104.3M | |
| 4 | Kisline | 51 – 200 | $82.1M | |
| 5 | JLS | Seoul, South Korea | 201 – 500 | $78.2M |
| 6 | Korea International School | 51 – 200 | $62.3M | |
| 7 | SeJong Science High School Alumni Society | 51 – 200 | $61.4M | |
| 8 | Incheon Science High School | Incheon, South Korea | 11 – 50 | $60.5M |
| 9 | North London Collegiate School Jeju | Zip, South Korea | 51 – 200 | $54M |
| 10 | Hansung Science High School | 51 – 200 | $44.4M | |
| 11 | Gyeonggibuk Science High School | 51 – 200 | $41M | |
| 12 | Indianhead International School | 51 – 200 | $39.8M | |
| 13 | Jeonbuk Science High School | 51 – 200 | $39M | |
| 14 | Korea Kent Foreign School | Seoul, South Korea | 11 – 50 | $37.7M |
| 15 | Seoul Foreign School | Seodaemun-gu, Seoul, South Korea | 201 – 500 | $37.4M |
| 16 | The Confucian Academy | 11 – 50 | $36.9M | |
| 17 | Ybm Ecc | Mokpo-si, South Korea | 201 – 500 | $35.6M |
| 18 | Korea International School Jeju | Seoul Campus, South Korea | 51 – 200 | $35M |
| 19 | Chungshin Girls’ High School | 51 – 200 | $34.8M | |
| 20 | Sehwa Girls High School | 11 – 50 | $34.5M | |
| 21 | Daykey High School | 51 – 200 | $33.7M | |
| 22 | Hansung High School | 51 – 200 | $33.5M | |
| 23 | Dongnae Girls’ High School | 51 – 200 | $33.3M | |
| 24 | Living Water Christian Academy | Yongin, South Korea | 11 – 50 | $32.9M |
| 25 | FI Korea | Seoul, South Korea | 51 – 200 | $32.8M |
| 26 | Joongdong High School | Seoul, South Korea | 51 – 200 | $30.3M |
| 27 | Cheonan Ssangyong High School | 11 – 50 | $30.1M | |
| 28 | Branksome Hall Asia | Seogwipo City, South Korea | 51 – 200 | $28.8M |
| 29 | Busan Science High School | 11 – 50 | $28.7M | |
| 30 | Kyungnam High School | Busan, South Korea | 51 – 200 | $27M |
| 31 | Keisung High School | 51 – 200 | $26.9M | |
| 32 | Jungsan High School | 51 – 200 | $26.8M | |
| 33 | Suji High School | 51 – 200 | $26.8M | |
| 34 | Korea Animation High School | 51 – 200 | $26.3M | |
| 35 | Gwangju High School | 51 – 200 | $26.2M | |
| 36 | Dongcheon High School | 51 – 200 | $26.1M | |
| 37 | Kyungbock High School | 51 – 200 | $25.9M | |
| 38 | Bundang High School | 11 – 50 | $25.7M | |
| 39 | Keumjeong High School | 51 – 200 | $25.7M | |
| 40 | Sehwa High School | 11 – 50 | $25.3M | |
| 41 | Hankwang High School | 51 – 200 | $24.9M | |
| 42 | Hyowon High School | 51 – 200 | $24.9M | |
| 43 | ST Unitas | Gyeonggi-do, South Korea | 51 – 200 | $24.7M |
| 44 | Korea Science Academy of KAIST | Busan, South Korea | 501 – 1,000 | $23.9M |
| 45 | Taejon Christian International School | Daejeon, South Korea | 51 – 200 | $23.2M |
| 46 | Yongsan International School of Seoul | Seoul, South Korea | 201 – 500 | $23M |
| 47 | Yeogang High School | 51 – 200 | $22.4M | |
| 48 | Seoul Game Academy | Mapo, South Korea | 51 – 200 | $22.3M |
| 49 | Pyeongtaek Mechanical and Technical High School | 51 – 200 | $21.7M | |
| 50 | Yongbuk Middle School | 201 – 500 | $21M | |
| 51 | IndoWeb | Incheon, South Korea | 51 – 200 | $20.9M |
| 52 | Daegu International School | 51 – 200 | $20.8M | |
| 53 | Daeyeon High School | 51 – 200 | $20.7M | |
| 54 | St Johnsbury Academy, Jeju | 201 – 500 | $20.1M | |
| 55 | Christian Sprout Intercultural School | 51 – 200 | $19.9M | |
| 56 | HelloGeeks | Seoul, South Korea | 11 – 50 | $19.4M |
| 57 | Stichting NewTechKids | 11 – 50 | $18.4M | |
| 58 | British International Academy | 1 – 10 | $17.8M | |
| 59 | Seoul Arts High School | Seoul, South Korea | 11 – 50 | $17.8M |
| 60 | Korea International School | Bundang-gu Seongnam-si, South Korea | 51 – 200 | $17.3M |
| 61 | Peterhouse | 51 – 200 | $17.2M | |
| 62 | Seoul International School | Seongnam-si, South Korea | 201 – 500 | $17M |
| 63 | Ewha Girls’ Foreign Language High School | Seoul, South Korea | 501 – 1,000 | $17M |
| 64 | Cheongna Dalton School | Incheon, South Korea | 51 – 200 | $16.1M |
| 65 | iGoGo | Yeoksamdong, South Korea | 51 – 200 | $16.1M |
| 66 | Dongtan Global High School | Hwaseong-si, South Korea | 1,001 – 5,000 | $15.6M |
| 67 | Korea Primary Volleyball Federation | 11 – 50 | $15.4M | |
| 68 | Yang Chung High School | Seoul, South Korea | 51 – 200 | $15.1M |
| 69 | Korean Minjok Leadership Academy | 51 – 200 | $13.2M | |
| 70 | Eduwill | Bucheon, South Korea | 51 – 200 | $13M |
| 71 | Seoun Middle School | 51 – 200 | $12.9M | |
| 72 | Bugil High School | Dongnam-gu Cheonan-si, South Korea | 11 – 50 | $12.5M |
| 73 | ANYANG TECHNICAL High School | 11 – 50 | $12.5M | |
| 74 | Franciscan Foreign Kindergarten | Seoul, South Korea | 11 – 50 | $11.7M |
| 75 | Busan International High School | 11 – 50 | $11.6M | |
| 76 | Geneye Academy | Seoul, South Korea | 11 – 50 | $10.9M |
| 77 | Seoul American High School | Seoul, South Korea | 11 – 50 | $10.6M |
| 78 | Suwonbuk Middle School | 51 – 200 | $10.5M | |
| 79 | Ewha Girls’ High School | Seoul, South Korea | 11 – 50 | $10.4M |
| 80 | Incheon International High School ( | Incheon, South Korea | 201 – 500 | $10.4M |
| 81 | Pyeongchon Management High School | 11 – 50 | $10.3M | |
| 82 | Daehyun Elementary School | 51 – 200 | $10.2M | |
| 83 | Korea Foreign School | Seoul, South Korea | 11 – 50 | $10M |
| 84 | ProSchool | Mapo, South Korea | 51 – 200 | $9.9M |
| 85 | Ultari School | Yongin, South Korea | 51 – 200 | $9.8M |
| 86 | Saint Paul Academy | 11 – 50 | $9.7M | |
| 87 | MathMaster | Mapo, South Korea | 51 – 200 | $9.5M |
| 88 | DS School | Seoul, South Korea | 1 – 10 | $9.5M |
| 89 | Busan Foreign School | Busan, South Korea | 11 – 50 | $8.9M |
| 90 | Myungduk Foreign Language High School | 51 – 200 | $8.8M | |
| 91 | Pusan Foreign Language High School | 51 – 200 | $8.8M | |
| 92 | International School of Busan | Busan, South Korea | 51 – 200 | $8.7M |
| 93 | Danwon High School | 11 – 50 | $8.6M | |
| 94 | Daeil Foreign Language High School | Seoul, South Korea | 1 – 10 | $8.3M |
| 95 | Futurenuri | 11 – 50 | $8.2M | |
| 96 | Santa | Busan, South Korea | 11 – 50 | $8.2M |
| 97 | Wolgye Elementary School | 51 – 200 | $8.1M | |
| 98 | Home Learn i-Scream | Daechidong, South Korea | 51 – 200 | $7.8M |
| 99 | Korean Christian Academy of Management | 11 – 50 | $7.4M | |
| 100 | GKI Secondary | 11 – 50 | $7.3M | |
| 101 | Dtnc | Yongin, South Korea | 11 – 50 | $7.3M |
| 102 | British Education Korea | Gangnam-gu, Seoul, South Korea | 51 – 200 | $7.2M |
| 103 | Onuii | Seoul, South Korea | 51 – 200 | $7.1M |
| 104 | Anyang Foreign Language High School | 안양시 만안구, South Korea | 501 – 1,000 | $7.1M |
| 105 | Arilac | 1 – 10 | $6.9M | |
| 106 | Gics | 11 – 50 | $6.9M | |
| 107 | Wca Canada | Gyeonggi-do, South Korea | 11 – 50 | $6.9M |
| 108 | Goyang Foreign Language High School | 관산동, South Korea | 11 – 50 | $6.8M |
| 109 | Sunrin Internet High School | 1 – 10 | $6.7M | |
| 110 | CAPEind | Pusan, South Korea | 1 – 10 | $6.6M |
| 111 | Gyeongsan Science High School | 11 – 50 | $6.4M | |
| 112 | Solomonedu | 서울특별시 서울특별시, South Korea | 11 – 50 | $6.2M |
| 113 | International School of Koje | Geoje, South Korea | 51 – 200 | $6.1M |
| 114 | Gangnam English Academy | Seoul, South Korea | 51 – 200 | $6.1M |
| 115 | Mplat | Seocho, South Korea | 11 – 50 | $5.8M |
| 116 | Daewon Foreign Language High School | 1 – 10 | $5.7M | |
| 117 | PAGODA Academy | 11 – 50 | $5.6M | |
| 118 | Irungo La Salle | 11 – 50 | $5.2M | |
| 119 | Sedaily | Seoul, South Korea | 11 – 50 | $5.1M |
| 120 | Kgda | 11 – 50 | $5M | |
| 121 | Monster School | Bongcheondong, South Korea | 11 – 50 | $5M |
| 122 | Vitruv | 11 – 50 | $4.9M | |
| 123 | The Korean Academy of Tuberculosis and Respiratory Diseases | 11 – 50 | $4.9M | |
| 124 | FAYSTON Preparatory | Suji-gu, Yongin-si, South Korea | 51 – 200 | $4.9M |
| 125 | Gyeonggi Science High School | Suwon-si, South Korea | 51 – 200 | $4.8M |
| 126 | Cmis | Incheon, South Korea | 51 – 200 | $4.8M |
| 127 | Yoons English School | Seoul, South Korea | 11 – 50 | $4.7M |
| 128 | Gyeongnam International Foreign School | Sacheon, South Korea | 11 – 50 | $4.6M |
| 129 | Www.mokyangchurch.org | 1 – 10 | $4.6M | |
| 130 | Young In ST | Anyang-si, South Korea | 51 – 200 | $4.5M |
| 131 | T R U E T R U E | 11 – 50 | $4.4M | |
| 132 | Reader’s Eye | 서초구, South Korea | 1 – 10 | $4.4M |
| 133 | Nami Island | Chuncheon-si, South Korea | 11 – 50 | $4.3M |
| 134 | IES Pio Baroja BHI | 11 – 50 | $4.2M | |
| 135 | JiranComms | 11 – 50 | $4.2M | |
| 136 | Education Revolution | Daegu, South Korea | 11 – 50 | $4.1M |
| 137 | Sunyanghana | 11 – 50 | $4.1M | |
| 138 | Think2 | Seoul, South Korea | 11 – 50 | $4.1M |
| 139 | Bomon Academy | 11 – 50 | $4M | |
| 140 | PMD Academy | Seoul, South Korea | 11 – 50 | $4M |
| 141 | JONGRO | Seoul, South Korea | 11 – 50 | $3.9M |
| 142 | North Korea Strategic Information Service Center | Seoul, South Korea | 11 – 50 | $3.9M |
| 143 | Juniper Christian School | Gyeonggi-do, South Korea | 11 – 50 | $3.8M |
| 144 | ECLC International Kindergarten | Seoul, South Korea | 11 – 50 | $3.8M |
| 145 | Handskorea | 11 – 50 | $3.8M | |
| 146 | PlayCurio | Seoul, South Korea | 11 – 50 | $3.8M |
| 147 | Smart Dong School | Mapo, South Korea | 51 – 200 | $3.7M |
| 148 | Hyundai Foreign School | Ulsan, South Korea | 11 – 50 | $3.7M |
| 149 | International Christian School Pyeongtaek | Pyeongtaek, South Korea | 11 – 50 | $3.7M |
| 150 | EngQ English Academy | 11 – 50 | $3.7M | |
| 151 | CREmo-i | 11 – 50 | $3.6M | |
| 152 | Pusan Foreign Language High School (부산외국어고등학교 | Pusan, South Korea | 51 – 200 | $3.4M |
| 153 | International School Songdo | 11 – 50 | $3.4M | |
| 154 | Seoul Academy International School | Seoul, South Korea | 11 – 50 | $3.4M |
| 155 | Happyaba | 11 – 50 | $3.3M | |
| 156 | Unitas CLASS | 11 – 50 | $3.2M | |
| 157 | Mini School | 1 – 10 | $3.2M | |
| 158 | Red Sahara Studio | Seongnam-si, South Korea | 11 – 50 | $3.1M |
| 159 | Ark Academy | 11 – 50 | $3.1M | |
| 160 | Sarjanaku | 11 – 50 | $3M | |
| 161 | Lycée International Xavier | Jongno-gu Séoul, South Korea | 11 – 50 | $2.9M |
| 162 | Soelim | 11 – 50 | $2.8M | |
| 163 | Primary Bookmarks | 11 – 50 | $2.8M | |
| 164 | Https://gtksa.net | 1 – 10 | $2.7M | |
| 165 | Whimoon High School | Seoul, South Korea | 51 – 200 | $2.7M |
| 166 | Taesung Cne | 11 – 50 | $2.5M | |
| 167 | Eduflier | Songpa Gu, South Korea | 11 – 50 | $2.3M |
| 168 | All Skillup | Seoul Incheon, South Korea | 1 – 10 | $2.3M |
| 169 | MathFLAT | Bongcheondong, South Korea | 11 – 50 | $2.3M |
| 170 | Ibkimyoung | Seoul, South Korea | 11 – 50 | $2.2M |
| 171 | Aevo Prep Academy | 1 – 10 | $2.1M | |
| 172 | Researchinghub | 11 – 50 | $2.1M | |
| 173 | Edtech Korea Fair | 1 – 10 | $2.1M | |
| 174 | Storypal | Busan, South Korea | 1 – 10 | $2M |
| 175 | SBS Academy | 1 – 10 | $2M | |
| 176 | Global Christian Foreign School | Seoul, South Korea | 11 – 50 | $1.9M |
| 177 | Iamschool ( | 1 – 10 | $1.8M | |
| 178 | GIL Academy | 1 – 10 | $1.8M | |
| 179 | Unies 유니에스 | 서울특별시, South Korea | 1 – 10 | $1.7M |
| 180 | Kwangju Foreign School | Gwangju, South Korea | 11 – 50 | $1.6M |
| 181 | Daeil Foreign Language High School | 11 – 50 | $1.4M | |
| 182 | Izon | 1 – 10 | $1.3M | |
| 183 | Pearlsbuck.or.kr | Bucheon-si, South Korea | 1 – 10 | $1.2M |
| 184 | HOBY Korea | Seoul, South Korea | 1 – 10 | $1.2M |
| 185 | Lycée Français de Séoul | Seoul, South Korea | 1 – 10 | $1.1M |
| 186 | Non-Commissioned Officer Academy | 11 – 50 | $999,000 | |
| 187 | Kma | Seoul, South Korea | 11 – 50 | $986,000 |
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