Age → Grade Calculator
Calculate current age and corresponding grade by entering birth year
Elementary School (6 years)
Ages 5-10, 6 years
Middle School (3 years)
Ages 11-13, 3 years
High School (3 years)
Ages 14-17, 4 years
University (4 years)
Ages 18-21, 4 years
Important Notes
- • May differ due to early admission, retaking, transfer, etc.
- • Grade is determined based on March
- • Korean age = International age + 1
Structure of Korean Education System
Korea's education system is based on a 6-3-3-4 system, consisting of 6 years of elementary school, 3 years of middle school, 3 years of high school, and 4 years of university. The principle is to enter elementary school at age 6, and the new school year starts in March.
Characteristics and Goals by Educational Level
Elementary Education (6 years)
Goal: Cultivate basic academic skills and character education
Features: Homeroom teacher system, integrated curriculum
Main subjects: Korean, Mathematics, Social Studies, Science, English
Evaluation: Absolute evaluation, narrative assessment focused
Advancement: Assigned by residence area (compulsory education)
Middle Education (3 years)
Goal: Basic literacy and career exploration
Features: Subject-specific teacher system
Main subjects: Korean, Mathematics, English, Social Studies, Science, Technology & Home Economics
Evaluation: Combination of relative and absolute evaluation
Advancement: Lottery or selection system (compulsory education)
High Education (3 years)
Goal: Career preparation and professional development
Features: Liberal arts/science track selection, expanded electives
Main subjects: Korean, Mathematics, English, Research areas
Evaluation: Combination of internal grades and CSAT
Advancement: Entrance exam or lottery
Higher Education (4 years)
Goal: Cultivate specialized knowledge and research abilities
Features: Major selection, credit system operation
Main subjects: Major subjects, liberal arts, electives
Evaluation: Credit system (A, B, C, D, F)
Advancement: CSAT, internal grades, essays, interviews, etc.
Special Cases
Early Admission/Grade Skipping
- • Early admission at age 5 possible
- • Grade skipping for shortened schooling
- • Gifted education programs
- • Early admission to science/foreign language high schools
Grade Retention/Re-taking
- • Grade retention due to academic difficulties
- • Re-taking for university entrance
- • Leave of absence for military service
- • Delays due to personal circumstances
Alternative Education
- • Alternative school programs
- • Homeschooling
- • Qualification examination courses
- • International school programs
International Comparison
Major Countries' Education System Comparison
USA: K-12 system (Kindergarten + 12 years)
UK: 6-5-2-3 system
Japan: 6-3-3-4 system (similar to Korea)
Germany: 4-6-3 system (early career differentiation)
France: 5-4-3-3 system
Characteristics of Korean Education
- • High educational enthusiasm and dependence on private education
- • University entrance-focused curriculum
- • Equal educational opportunities
- • Rapid educational development and achievements
- • Efforts to strengthen creativity and character education
📚 Educational Information Utilization Tips
• Admission Preparation: Check admission requirements and preparation items for each school level in advance.
• Career Planning: Establish long-term career plans considering characteristics of each grade level.
• Learning Plan: Set learning goals and methods appropriate for each grade.
• Information Gathering: Continuously monitor changes in education policies and entrance systems.