Exam choice
HSK 2.0 vs 3.0 (2026)
Choose Current HSK or New HSK (HSK 3.0) before you commit to a study plan.
Read guideStudy guides
HSK study guides for overseas learners
Practical paths for Current HSK and New HSK (HSK 3.0). Soft start with free lessons; save progress with email magic-link. ACA Chinese is a structured Mandarin course library for overseas HSK learners — not live English tutoring, not Acadsoc.
Pick your exam
Confirm which HSK version you are targeting before you lock a plan.
Beginner
Study plans and vocab scope for HSK1 self-learners.
Beginner
HSK1 study plan
A practical first-week and weekly loop for overseas beginners.
Read guideBeginner
Vocab 150 vs 300
How much vocabulary you need for HSK1—and what to prioritize first.
Read guideSkills
Focused routines you can run alongside free lessons.
Skills
Listening 30-day routine
A short daily listening habit that fits self-learners abroad.
Read guideTools on ACA
Soft CTAs only—start free, place your level, or browse courses.
Tool
Free lessons
Start pinyin, tones, Hanzi and starter review with no payment required.
OpenTool
Placement
Find your level before picking a course path.
OpenTool
Knowledge base
Quick reference notes for learners and teachers.
OpenTool
Courses
Browse the structured HSK course library.
OpenNo payment required for free lessons. Membership checkout may still be finishing.