Iranian Biology Olympiad (IrBO) is an annual multistage competition for Iranian high school students of the age of 17-18 in the field of biology. The first Iranian Biology Olympiad was launched under the auspices of the Ministry of Education, Iran in 1999. Since then, the four winners of the national competitions participate regularly yearly in the International Biology Olympiad (IBO), in which IrBO is a regular member and participant. In Iranian Biology Olympiad individuals compete for their achievements in both theory and practice.
IrBO tried to challenge and stimulate gifted students to expand their talents and to promote their career as biologists. IrBO also is focusing on biology as a valuable subject. In offering a wider syllabus than Iranian National Biology Curriculum, it allows gifted students to demonstrate their theoretical knowledge and practical skills and to be suitably rewarded and publicly recognized by the award of medals and certificates. IrBO also ta