XPERTSTEM CoreSTEM Challenge
XPERTSTEM CoreSTEM Challenge is an international STEAM competition where students solve real-world problems using science, mathematics, technology, engineering, data, sustainability, and society.
It is not only a coding challenge. Students investigate, observe, test, reason, decide, design, model, and create evidence-based solutions. The goal is to move from knowing science to reasoning across disciplines, deciding with evidence, and creating real solutions.
General Objectives
- Enhance problem-solving: Think critically and build logical solutions under time pressure.
- Develop interdisciplinary thinking: Combine science, math, data, technology, engineering, sustainability, and society.
- Build algorithmic thinking: Design efficient, optimized, and testable solutions.
- Improve technical proficiency: Write clean, fast, accurate, and sustainable solutions.
- Promote evidence-based decisions: Support ideas with data, observation, testing, and modeling.
- Encourage healthy competition: Test skills against peers in an ethical and engaging environment.
- Create real-world impact: Turn solutions into products, models, prototypes, reports, data analyses, or apps.
Thematic Ideas
Themes are not limited to coding. Each theme integrates scientific discovery, mathematics and data, technology and computing, engineering and design, and society, ethics, and communication.
- Scientific Discovery: Biology, life sciences, earth and environmental science, astronomy, and space science.
- Mathematics & Data: Mathematical reasoning, statistics, probability, modeling, and data interpretation.
- Technology & Computing: Coding, algorithms, AI, data science, and cybersecurity.
- Engineering & Design: Robotics, structures, systems, prototyping, and optimization.
- Society, Ethics & Communication: Scientific literacy, ethics, risk, sustainability, and science communication.
- Combinatorics & Number Theory: Permutations, prime numbers, modular arithmetic.
- Graph Theory: Shortest path, cycle detection, network connectivity.
- Computational Geometry: Closest pair of points, convex hull.
- Gaming AI: Program the most effective AI opponent in a turn-based game.
- Artificial Intelligence: Sentiment analysis, video summarization, or image recognition.
- Sustainability & Social Good: Track carbon emissions or design a recycling platform.
- Mobile & Web Apps: Build an app for local communities or educational access.
- Fintech: Personal budgeting, peer-to-peer lending, or crypto trading tools.
| 🔎 INVESTIGATE | 🧩 SOLVE | 🚀 INNOVATE |
|---|---|---|
| Science Detective | Climate Challenge | Future Technology |
| Life Detectives | Smart City | Robotics & Automation |
| Earth Watch | Health & Human Challenge | Sustainable Planet |
| Space Explorer | Digital Problem Solver | Space & Future Habitats |
| Data Detectives | Engineering Rescue | Grand Innovation Challenge |
Mission Universe — 15 Worlds, 3 Pillars
How Age-Appropriate Scope Is Enforced
Each grade band has a vocabulary and cognitive demand cap. Every learning outcome also includes two required fields:
- Grade-Level Scope: Exactly which materials, data types, numbers, and reasoning steps are fair for that age.
- Not Assessable: Concepts, calculations, or techniques that exceed the grade band and must never appear in a question.
This makes the age cap an enforceable boundary at each outcome level. A Grade 5 flood-risk question and a Grade 11 flood-risk question can share a title without sharing a difficulty level.
Outcome Design Formula
ACTION + STEAM CONTENT + REAL-WORLD SCENARIO + EVIDENCE / PRODUCT
Every outcome includes:
- An action
- STEAM content
- A real-world scenario
- Evidence or a product
This formula turns XPERTSTEM CoreSTEM Challenge from a simple test or coding contest into an international STEAM experience that builds scientific thinking, data literacy, design, ethics, and innovation.
Learning Progression
| Level | Progression |
|---|---|
|
EXPLORER
Grades 3–4
|
Observe → Classify → Test → Explain → Create |
|
INVESTIGATOR
Grades 5–6
|
Investigate → Measure → Model → Compare → Improve |
|
PROBLEM SOLVER
Grades 7–8
|
Analyze → Calculate → Evaluate → Decide → Optimize |
|
INNOVATOR
Grades 9–10
|
Model → Integrate → Test → Redesign → Innovate |
|
FUTURE SCIENTIST
Grades 11–12
|
Critique → Validate → Predict → Integrate → Transform |
Qualıfıcatıon Rounds
Timeline for XPERTSTEM Qualification Tests
IGNITION TEST
- First test of the Online Qualification round.
- 30 multiple-choice questions from the first chapter of the syllabus.
- 80 minutes time limit for finishing the test.
Deadline: 2nd December 2026
Test date: 5th December 2026
ACCELERATION TEST
- Second test of the Online Qualification round.
-30 multiple-choice questions from the second chapter of the syllabus.
- 80 minutes time limit for finishing the test.
Deadline: 27th January 2027
Test date: 30th January 2027
FINAL ORBIT TEST
- Third test of the Online Qualification round.
- 30 multiple-choice questions from the third chapter of the syllabus.
- 80 minutes time limit for finishing the test.
Deadline: 17th March 2027
Test date: 20th March 2027
