The Tukey HSD test results further confirmed these findings. The mean scores of third and fourth-grade students in ELA MAAP scores showed no significant difference, as indicated by a p-value of .86. Similarly, the mean differences between the fourth and fifth grades (p-value = .20) and between the fourth and sixth grades (p-value = .07) were also insignificant. Based on these findings, Teacher A's (3rd grade) methods influenced the students' MAAP scores compared to Teacher C's (5th grade) and Teacher D's (6th grade). Teacher B (4th grade) did not show significant differences in scores compared to the other teachers. Teacher C (5th grade) and Teacher D (6th grade) did not have significant differences in scores compared to each other, or Teacher B. Teacher A's methods had a notable impact on student performance, while the methods of the other teachers did not lead to statistically significant differences in MAAP scores