Choose your city to see tutors. Class 3 experience is ranked first — results are not restricted to it.
Class 3 is usually the year the timetable grows. Environmental studies or science arrives as a subject with its own notebook, English grammar becomes a thing with rules and names attached, many schools add a third language, and answers stop being one word and start being one sentence.
In maths the bottleneck is tables. Multiplication is taught here and division follows almost immediately, so a child still counting on fingers to reach 7 × 8 will be slow at division, slow with factors in Class 4 and slow at fractions after that — not because those ideas are hard, but because every single step takes three times as long. It is one of the few things at primary level genuinely worth drilling, and a tutor can fix it in weeks.
The other change is written work. Copying a sentence and composing one are different skills, and children who explain an answer clearly out loud often lose most of it on the way to the page. It is a fair question to ask a prospective tutor how they work on written answers, rather than only whether they know the syllabus.