Academic performance
GRE Quant and other exam work: content, recognition, strategy, interpretation, execution, pacing, and transfer.
Paid Diagnostic
Know exactly where you stand — and what to do next.
A focused live 1:1 session with Edward Mabonga. Bring an AI, coding, machine learning, system design, interview, GRE Quant, AMC 10, or AIME goal and leave with an evidence-based plan.
The diagnostic is a paid live 1:1 session billed hourly at a premium private rate. The exact rate is confirmed before scheduling. Any ongoing recommendation is scoped only after the diagnostic; there is no commitment beyond the first session.
Reschedule or cancel with at least 24 hours' notice.
Late cancellations and no-shows count as used unless an emergency exception is agreed.
If the session materially differs from its published scope, contact Pristone within 48 hours for review and an appropriate correction. No score, admission, job, or other outcome is guaranteed.
Book the DiagnosticAsk Edward a questionExplore Capability PathwaysPaid 1:1 · rate confirmed before scheduling · questions answered within 2 hours
The Pristone Method
One capability loop across every track.
- Diagnose
- Prioritize
- Build
- Test transfer
- Measure
- Re-prioritize
What's included
- A focused assessment of exactly where you are right now
- A clear, honest read on your strengths and the gaps to close
- A personalized, step-by-step plan toward your specific goal
- Straight answers to your questions from a practicing engineer
- A written summary of the plan you can keep and act on
Who it's for
Students, parents, and professionals who want an honest read on a machine learning, system design, GRE Quant, AMC 10, AIME, AI, coding, CS, or interview goal. If you continue with coaching afterward, the diagnostic gives the work a clear starting point.
On pricing: the diagnostic is a paid, hourly 1:1 session at a premium private rate; I confirm the exact rate when we schedule. Ongoing packages (below) are scoped and priced with you after the diagnostic — never a fixed, one-size-fits-all bundle.
Diagnostic center
One method, different performance evidence.
Every track uses the same diagnose-to-re-prioritize logic, but the tasks and dimensions change with the capability being assessed.
Competition mathematics
AMC 10 and AIME: topic depth, structure recognition, problem selection, execution, pacing, and verification.
Technical students
Coding, computer science, AI, machine learning, project readiness, and research readiness using representative work.
Professional engineering
System design, coding interviews, technical depth, architecture, re-entry, and senior-level communication and judgment.
Sample output structure
What the written diagnostic summary contains
The summary is written for the learner or family to keep. It should remain useful even if no ongoing Pristone engagement follows.
This is a report structure, not a standardized test score or clinical assessment. It organizes observed performance and the instructional decision that follows.
1
Goal and conditions
The target capability, relevant timeline, materials used, and conditions under which the baseline was observed.
2
Observed evidence
Specific behaviors in the learner's work rather than a personality judgment or unsupported interpretation.
3
Constraint classification
The strongest current evidence across conceptual, recognition, strategy, execution, interpretation, pacing, judgment, and communication categories.
4
Ranked priorities
The smallest set of constraints most likely to create useful change, with lower-priority issues kept visible but not overprescribed.
5
Recommended next step
A self-study action, focused sprint, recurring mentorship, project, or research pathway—with the reason for the recommendation.
6
Reassessment plan
The new task, reduced support, or performance condition that can show whether the capability transfers.
Baseline
Record what can be done now and under what level of support.
Transfer target
Define the unfamiliar task or reduced-support performance that should become possible.
Re-prioritization
Update the plan when evidence shows the constraint has changed.
Where it goes from here
Everyone starts with the diagnostic. What follows is built around what we find — here's the shape of it.
1
Start here
Diagnostic session
One paid 1:1 session to find what's really blocking you and leave with a concrete plan. No commitment beyond the session.
2
Then
4-session sprint
A focused block to close a specific gap or hit a near-term deadline — an exam, a course unit, an interview loop.
3
Or
8-session mentorship
Deeper, compounding work across a subject or goal, with progress tracked and the plan re-prioritized as you go.
4
For the long game
Semester engagement
Ongoing 1:1 partnership for students and professionals building serious capability over a term or more.
One session. A clear path forward.
Grab a time and come with your questions. You'll leave the session knowing exactly where you stand and what to do next.