Reservedescape/Elimu-AI

CBC Intelligent Tutoring System for marginalized learners in Kenya # 🎓 Elimu AI — CBC Intelligent Tutoring System > **AI-powered offline-ready tutor for marginalized learners in Kenya** > University of Eastern Africa, Baraton | AI Group 19 > Delfine Achieng · Geoffrey Njenga · Chepchumba Faith --- ## 📌 Project Overview Elimu AI addresses the educational gap in arid, remote, and conflict-affected regions of Kenya (Turkana, Garissa, Mandera, Marsabit Counties). It is an offline-capable AI tutoring system that: - Uses a **Random Forest Classifier** (supervised ML) to classify student performance - Covers **Mathematics, English, and Kiswahili** — aligned to the Kenyan CBC curriculum - Works **without internet** via a locally embedded model (offline-first architecture) - Is hosted on **Hugging Face Spaces** (free cloud) for when connectivity is available - Runs on **solar-powered, low-cost devices** (no heavy compute required) --- ## 🤖 Machine Learning Algorithm **Algorithm: Random Forest Classifier** *(Breiman, Leo. 2001)* | Metric | Value | |---|---| | Test Accuracy | **100.00%** | | Validation Accuracy | **99.92%** | | 5-Fold CV Mean | **99.96% ± 0.03%** | | Training Samples | 5,600 | | Performance Classes | Beginner · Intermediate · Advanced | ### Features Used | Feature | Description | |---|---| | `grade` | Student's CBC grade level (1–6) | | `subject_enc` | Subject (Math / English / Kiswahili) | | `topic_enc` | Curriculum topic (encoded) | | `difficulty_enc` | Easy / Medium / Hard | | `num_questions` | Questions attempted | | `correct_answers` | Number answered correctly | | `incorrect_answers` | Number answered incorrectly | | `accuracy_rate` | Proportion correct | | `total_score` | Score out of 100 | | `avg_time_seconds` | Average time per question | | `score_per_question` | Score efficiency ratio | | `efficiency` | Accuracy / time ratio | ### Data Split - **70%** Training (5,600 records) - **15%** Validation (1,200 records) - **15%** Test (1,200 records) --- ## 🗂️ Project Structure ``` elimu-ai/ ├── data/ │ ├── …