10+ years in Nigerian classrooms. 12 deployed ML and EdTech projects. I use data science, machine learning, and AI to solve real problems — and I built my flagship tool on an Android tablet with zero budget.
For over 10 years, I walked into Nigerian secondary school classrooms — at schools like His Marvellous Grace, Fredaks, Anchor Heights, Dave Model School, Lifeline, and many others across Lagos and Ogun State — teaching Mathematics, Further Mathematics, Physics, Chemistry, and Computer Science. From JSS1 all the way to SSS3. I tutored on Tuteria, Gate Academy, DoLessons, and Prepclass. Teaching gave me something no university course can replicate: the ability to break down complexity, read where understanding breaks, and build the bridge that gets someone from confusion to clarity. That instinct lives in every model I build today.
The day I stopped complaining about broken tools and started building replacements — everything changed. CBT.ng (CBT Pro) was not born in a co-working space. It was born out of frustration, a clear understanding of the problem, and one Android tablet. I wrote every line of HTML, CSS, and vanilla JavaScript in Acode editor on mobile. No laptop. No budget. No compromise. Today it is live, used by real students, backed by Supabase, and hosted on GitHub Pages. That project proved a belief I now live by: a clear thinker with the right AI tools is unstoppable in any domain.
My formal data science journey accelerated through the 3MTT Programme in 2025, and I have not slowed down since. I hold a B.Sc.(Ed) in Computer Science Education from Lagos State University (2023). I have deployed 12 projects across machine learning, NLP, HR analytics, financial inclusion, EdTech, and logistics. I am enrolled in WorldQuant University's Applied Data Science Lab. I am an IBM SkillsBuild Ambassador (Cohort 4). I identify as an AI-Augmented Solutions Developer — an educator-technologist who uses first-principles thinking and AI assistance to operate confidently across any technical domain on demand.
Yes, there are days the imposter syndrome is loud. But then I look at the 12 live apps, the students who sat exams on the platform I built, and the classroom problems I turned into deployed solutions — and I remember: this journey is real, and I am exactly where I am supposed to be.
"If you can think through a problem clearly and ask the right questions, you can find a path to a solution — even in territory you've never entered before."
No meaningless progress bars. Just the real tools I pick up, learn deeply, and use to ship things that work in the real world.
The core of my transition — classification, regression, explainability, and model serialisation. Used across all 12 deployed projects.
10 years of teaching Maths means I genuinely understand the numbers — not just the tools. I use BI to tell stories, not fill dashboards.
CBT Pro was built entirely in these technologies on an Android tablet. No framework. No shortcuts. Pure understanding from the ground up.
Version control, notebooks, and deployment — the full cycle from experiment to live app.
Always in motion. The classroom taught me that the moment you stop learning, you stop being useful.
Every project here started with a real problem — a broken classroom, a fraudulent claim, a student who almost failed but nobody noticed in time. The classroom ones most of all.
"Built by a tutor, for tutors. No laptop. No budget. No compromise."
Most portfolios only show the destination. This one shows the road — including where it began, the detours, and the deliberate moves that brought me here.
The classroom, extended. Whether you want to see how a live data science project gets built, understand machine learning concepts from first principles, or prep for WAEC exams — it is all here, free.
Every programme here was completed — not just enrolled in. Each one was a deliberate choice to build a specific capability, not to collect badges.
Over a decade in Nigerian classrooms, and now a growing circle of data colleagues — some voices from people who have seen the work up close.
"Mr Adewale does not just teach you how to solve the problem — he teaches you how to think. My Further Maths result went from a D to a B2 in one term. That doesn't happen by accident."
"I have seen a lot of free exam tools for schools — most are either broken or complicated. CBT Pro is different. It actually works, and my students took their mock exams on it without a single technical problem."
"What stands out about Adewale's portfolio is not just that there are 12 projects — it is that each one is documented honestly. He includes the failures, the leakage fixes, the models that didn't work. That is the mark of a serious data scientist."
Have you worked with me, learned from my YouTube channel, or used CBT Pro in your school? I would genuinely love to hear from you — your experience matters and helps other schools and recruiters understand the impact of this work.
Share Your ExperienceWhether you are a recruiter, a school, a company with a data problem, or a collaborator with a shared vision — I want to hear from you.