Her proficiency in math helped her excel in school.

The level of skill or ability in a particular area or subject.
He showed great proficiency in speaking Spanish.
The test measures your proficiency in reading and writing.
Teachers assess students' proficiency in various subjects.
language proficiency
proficiency test
proficiency level
skill
competence
expertise
Her proficiency in tennis is impressive.

The level of skill or ability in a particular activity or sport.
He showed great proficiency in swimming.
The coach praised her proficiency in gymnastics.
They are working to improve their proficiency in soccer.
high proficiency
language proficiency
proficiency test
skill
competence
expertise
She has a high level of proficiency in English.

The skill or ability to do something well.
His proficiency in math helped him win the competition.
The teacher praised her proficiency in playing the piano.
They are looking for candidates with proficiency in multiple languages.
high proficiency
language proficiency
proficiency level
skill
competence
expertise