About O-NET
What is O-NET?
The Ordinary National Educational Test (O-NET) is a standardized test administered by the National Institute of Educational Testing Service (NIETS) in Thailand. It assesses students' knowledge and competency across core subjects.
Who Takes It?
Students in Mathayom 3 (Grade 9) and Mathayom 6 (Grade 12) take the O-NET test. It's used for school admissions, university placement, and measuring educational quality nationwide.
Scoring System
Scores range from 0-100 for each subject. The test uses criterion-referenced scoring to measure students against national educational standards.
Test Subjects
English
Reading comprehension, grammar, vocabulary, and language usage.
- Reading passages
- Grammar & usage
- Vocabulary
- Listening comprehension
Mathematics
Algebra, geometry, statistics, and problem-solving skills.
- Arithmetic
- Algebra
- Geometry
- Data analysis
Science
Biology, chemistry, physics, and scientific reasoning.
- Biology concepts
- Chemistry basics
- Physics principles
- Scientific method
Thai Language
Reading, writing, grammar, and Thai literature.
- Reading comprehension
- Thai grammar
- Literature analysis
- Writing skills
Social Studies
History, geography, civics, and Thai culture.
- Thai history
- World geography
- Civics & government
- Cultural studies
Health & PE
Health education, physical education, and wellness concepts.
- Health knowledge
- Nutrition
- Physical fitness
- Wellness practices
Your Study Plan
Assessment (Week 1)
Take diagnostic tests to identify your strengths and areas for improvement.
Foundation Building (Weeks 2-6)
Focus on core concepts and fundamental knowledge in each subject.
Practice & Review (Weeks 7-10)
Complete practice questions and review weak areas regularly.
Practice Tests
English Practice Test
Comprehensive English test covering reading, grammar, and vocabulary.
Start TestMathematics Practice Test
Full-length math test with detailed solutions and explanations.
Start TestScience Practice Test
Practice science concepts across biology, chemistry, and physics.
Start TestFull Mock Exam
Complete simulation of the actual O-NET exam day experience.
Take Full ExamExpert Study Tips
Create a Study Schedule
Dedicate specific time slots for each subject. Consistency is key to retaining information and building strong foundations.
Active Reading
Don't just read - engage with the material. Take notes, ask questions, and summarize key points in your own words.
Study Groups
Join or form study groups with classmates. Teaching others reinforces your own understanding.
Regular Review
Review material regularly using spaced repetition. This helps transfer knowledge to long-term memory.
Practice Problems
Work through as many practice problems as possible. This builds confidence and reveals areas needing improvement.
Healthy Habits
Get adequate sleep, eat well, and exercise regularly. A healthy body supports a sharp mind.
Free Learning Resources
Ready to Excel in Your O-NET Exam?
Join thousands of Thai students who have improved their scores with our comprehensive study materials and practice tests. Start your journey to academic success today!