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Explore free lessons, original sample questions, practice tests and explanations for SAT, TOEFL, IELTS and AMC.

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SATReading and Writing · MathFree lessons & practice →TOEFLReading · Writing focusFree lessons & practice →IELTSAcademic Reading · Writing focusFree lessons & practice →AMCSeparate AMC 8 · AMC 10 · AMC 12 practiceFree lessons & practice →

Frequently asked questions

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The current lessons, practice tests and explanations are free. Public examples need no login; the learning center and personal records require a free account.

Are these official tests?

No. These are independent study and practice tools. They do not provide official exam results or certification. See each subject page for the exact practice scope.

How should I start?

Read a sample explanation, choose a subject and start with a topic you want to improve. AMC learners choose 8, 10 or 12 before starting.