【English】- National Language Arts League (NLAL)
National Language Arts League (NLAL) ◆ English Language Literacy Challenge for Native American Students ◆
【Chemistry】- International Chemistry Quiz (ICQ)
International Chemistry Quiz (ICQ) ◆ Join over 100,000 students from 21 countries and regions ◆
【Math】- United Kingdom Mathematics Trust (UKMT)
United Kingdom Mathematics Trust (UKMT) The most popular mathematical challenges in UK Over 700,000 participants
