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★ DP · HL / SL

Practise like it's
the real paper.

Real past papers, timed exam conditions, an EE/TOK essay evaluator, and a tutor that pushes your reasoning toward the command term instead of writing your answer.

HL / SL Markschemes, command terms, HL/SL, native, not bolted on.
Biology HL · Paper 2 · May session ★ Markscheme attached
Q12 marks
Outline

Outline the role of ATP in active transport.

1 mark, energy released from hydrolysis · 1 mark, moves against the gradient
Q24 marks
Explain

Explain how the sodium–potassium pump maintains resting potential.

Marks for mechanism, the 3:2 ratio, and the resulting charge difference
Q36 marks
Evaluate

Evaluate the evidence for the chemiosmotic theory.

Evidence both ways, and a stated judgement, or the last marks don't pay
Q48 marks
Discuss

Discuss the limitations of the fluid mosaic model.

Band 7–8 needs a sustained, balanced argument, not a list

ChatGPT will happily write your answer. It has no idea how Paper 2 is marked.

DP marks live in specifics, the command term, the markscheme line, the band. A generic AI gives you fluent prose that scores a 4.

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01Real papers and markscheme logic

Practice that speaks the examiner's language.

Authentic DP past papers question by question, marks, command terms and markschemes attached, HL and SL kept distinct.

Authentic past papers, HL/SLMarks + command terms on every questionMarkschemes you learn to read
Paper 2 · Q3 · Evaluate 6 marks

Evaluate the evidence for the chemiosmotic theory.

1Evidence for, a proton gradient is measurable across the membrane
1Evidence for, ATP synthase activity stops without the gradient
1Evidence against, uncoupling experiments complicate the picture
2A judgement, supported, not stated
"Evaluate" only pays in full if you land a judgement. The markscheme says so, now you can read it.
02A tutor that pushes reasoning

Guided to the command term, not handed the answer.

Voice and a live whiteboard, but its job is the next question, not the final answer. The same tutor can pressure-test an EE research question.

Asks the next question firstLive voice + whiteboardFluent in command terms and HL/SL
Class Tutor · Chemistry HL ★ Live
1What does the rate constant actually depend on?
2So what happens to k when you raise the temperature?
3Now say that as "explain", what earns the second mark?
It stops asking when your reasoning holds, not when it has finished talking.
03The Adaptive Loop, on your side

Grading that doesn't stop at a band.

Koncepts pinpoints the exact sub-skill you missed against the markscheme and sends a follow-up built for it, receipt included.

Marked against the markschemeThe exact sub-skill, pinpointedFollow-up arrives built for it
Paper 2 result · Biology HL Band 4
1234567
!Missed, a judgement was never stated, on 3 of 4 "evaluate" questions
✓Secure, recall, mechanism and data handling all scoring
✓Receipt, your answer, beside the markscheme line it missed
→ 5 "evaluate" questions with judgement scaffolds. Nothing else.
Then run the two years

Four ways in, one grade out

Practise, perform, write the core, and get help that doesn't shortcut you, each one lands in the tool built for it.

Practise
Question by question, markscheme in hand.
Past PapersTargeted Follow-ups
Perform
The real pressure, before it counts.
Exams
The Core
The essays only the IB asks of you.
EE / TOK Essay Evaluator
Get Help
A tutor that won't shortcut you.
AI Class Tutor
The toolset

Five tools, all marked in DP

Every one built around markschemes, command terms and the HL/SL split, not a generic study app with an IB label stuck on top.

01 · Moat

Past Papers

Real DP papers, question by question, with the markscheme beside every one. Stop guessing what examiners want, read it.

OutlineExplainCompareEvaluateDiscussTo what extent
Practise A Paper →
02

Exams

Sit teacher-assigned papers timed, in a window, locked down when required, markscheme released the moment it closes.

Ask To Be Assigned One →
03 · Moat

AI Class Tutor

A live, voice-led tutor that asks the next question until your reasoning holds. HL/SL aware.

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04 · DP only

EE / TOK Evaluator

Your draft, marked against the IB criteria, annotated, private, every version kept. It coaches; it never writes.

Upload Your Draft →
05 · Adaptive Loop

My Class & Follow-ups

Assigned work in, targeted practice back, pinpointed to the markscheme line you missed.

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600+
IB teachers building it
78
Countries
HL/SL
Kept distinct, every subject

The same platform your teachers use. Schools include Oakridge International, Indus International and Pathways World School.

Two years.
One grade
that matters.

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