The Buggys

The Buggys contists of Horace N Buggy, his wife Anastasia, their son Dinah, and their daughters Panini and Snivy.
 * Horace N Buggy.
 * Anastasia (wife).
 * Dinah (son, age 6).
 * Panini (daughter, age 11).
 * Snivy (daughter, age 6).

The Buggy parents' occupation

 * Horace N Buggy (stay-at-home dad).
 * Anastasia (social worker).

Grades the Test children are in

 * Dinah (kindergarten)
 * Panini (6th grade).
 * Snivy (kindergarten).