Answer:

aptest

Answer	Crossword Clue
APTEST	Most appropriate
APTEST	Most likely
APTEST	Most fitting

APTEST	Exam for top students, briefly
APTEST	Most liable
APTEST	Most bright
APTEST	H.S. exam for college credit
APTEST	Acing one gets you college credit
APTEST	H.S. exam for top students
APTEST	Fitting to the max
APTEST	Most quick-to-learn

APTEST	Best-suited
APTEST	Most germane
APTEST	Best, as a pupil
APTEST	Most apropos
APTEST	Best suited
APTEST	Best-selected
APTEST	Most pertinent
APTEST	Challenge for a H.S. honor student

APTEST	H.S. excellence exam
APTEST	H.S. challenge with 1-to-5 scoring
APTEST	Most suitable
APTEST	Most likely to
APTEST	Superlatively suitable
APTEST	Its scores range from 1 to 5
APTEST	Exam for some smart H.S. students
APTEST	Precollege exam that offers college credit

APTEST	Potential source of college credit
APTEST	Source of springtime stress for a H.S. student
APTEST	H.S. exam graded on a five-point scale