IEO
International English Olympiad Practice Tests
The IEO tests English language proficiency including vocabulary, grammar, reading comprehension, and written expression — aligned to the SOF pattern for Classes 1–12.
- Organizer
- Science Olympiad Foundation (SOF)
- Grades
- Classes 1–12
- Exam months
- November – February
- Duration
- 60 minutes
Exam structure
| Section | Classes 1–4 | Classes 5–12 |
|---|---|---|
| Word & Structure Knowledge | 15 | 20 |
| Reading | 10 | 15 |
| Spoken & Written Expression | 10 | 15 |
| Achievers Section | 5 | 5 |
| Total questions | 40 | 55 |
Duration: 60 minutes. Counts follow the published SOF pattern and may change between years — check sofworld.org.
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IEO full mock exams by class
Key topics
GrammarVocabularyReading ComprehensionSentence StructureSynonyms & AntonymsIdioms & Phrases