How terse this is.
''Most would likely be doing better?''
The little girl clearly has drawing skill and a good imagination, this will stand her in good stead.
Her handwriting can easily be refined. Her spelling is good.
A lad at College who had no GCSE's because he'd been put off by teachers at school, at age 18 took his GCSE's and A levels and got top grades in all..{Maths, Chemistry, Biology and something else {he had 4 grade A's at 'A' level {the highest mark possible then} and went to study at Bristol on his chosen course.
Children can be discouraged early by the ''Could do better'' mentality, and it can cause them to shut down to learning, as a harridan of a teacher can put them off.
Kids need encouragement, so they take pleasure in learning.
We don't know what Country the OP is in, or even if they use a Roman alphabet.