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person can achieve anything when there is a proper support system that encourages and motivates them (him)
For example, (this could be an explanation) setting up targets to get good scores and presenting gifts as they achieve would result in a noticeable improvement on overall performance and growth in their interest to work hard more to get the gifts. (For instance,) There was a survey conducted on 50 students who are (were) 8th grade, children who were rewarded has shown significant improvement in their excellence in their subjects when compared to other students.
such as providing gifts, extra tuition classes, explaining them by one-on-one conversation ( new angle in conclusion should be avoided)
band: 4.5/6