SOF ISO Answer Key 2026: Download Science Olympiad Answer Key PDF

The Science Olympiad Foundation (SOF) conducted the International Science Olympiad (ISO) Level 1 exam on October 30, 2026. Students from Classes 1 to 12 appeared for the examination. They are now waiting for the SOF ISO Answer Key 2026.

The answer key is expected in November 2026 for the first exam date. It will help students check their answers and estimate their scores before the result announcement. The answer key release date has not been confirmed yet.

What Are the Important Details of SOF ISO Answer Key 2026?

The table below provides the exam authority, eligible classes, exam dates, expected answer key dates, exam mode and official website details.

When Will the SOF ISO Answer Key 2026 Be Released?

SOF has not announced the official answer key release date. The answer key for the October 30 examination is expected in November 2026. Students who appear for the November 19 and December 3 exams should check for separate updates.

How Can Students Download the SOF ISO Answer Key 2026?

Students can follow these steps if SOF publishes the answer key online:

1. Visit the official website, sofworld.org.
2. Open the International Science Olympiad section.
3. Look for the ISO Answer Key 2026 link.
4. Select the relevant class and exam set.
5. Open the answer key PDF.
6. Download and save the file for reference.

Note: SOF has not confirmed the availability of an official answer key. Students should check the official website for updates.

How Can Students Calculate Their Scores Using the SOF ISO Answer Key 2026?

Students can compare their responses with the available answer key. They can count correct answers and calculate their expected marks using the marking scheme for their class. The estimated score may help them understand their performance.

What Are the SOF ISO 2026 Exam Dates?

SOF will conduct the Level 1 examination on three dates. Schools can select one date according to their convenience.

What Happens After the SOF ISO Level 1 Exam 2026?

Students from Classes 3 to 12 who qualify in Level 1 can appear for Level 2. Classes 1 and 2 have only one examination level. SOF will announce the result and further examination details on its official website.

SOF ISO Answer Key 2026 FAQs