Exam Performance Drivers Dashboard
Comparing how test preparation, parental education, and lunch status align with student average exam outcomes across 1,000 records.
Students
sample size
All records in the processed score set.
Overall average
median
Average of math, reading, and writing scores.
Prep completion
students
Share completing the test preparation course.
Prep lift
completed vs none
Mean score difference by course completion status.
Lunch gap
standard vs free/reduced
Observed socioeconomic split in average scores.
Parent span
highest vs lowest level
Range across parental education categories.
Score pattern summary
Observed gap ranking
These are descriptive differences in average score, shown to compare relative magnitude rather than infer causality.
Overall distribution of average scores
Five-point score bands show where the score distribution concentrates, with the middle 50% highlighted.
Average score by test preparation status
Average score by parental education level
Average score by lunch status
Interaction effect: prep impact within each lunch group
Interaction effect: prep impact across parental education levels
Relative size of the observed score gaps
Highest-scoring background and prep combinations
| Rank | Parental education | Lunch | Test prep | Avg score | Students |
|---|