This supplication was revealed by Allah subhanahu wa ta'ala to our last prophetic teacher Hazrat Muhammad (peace be upon him) in Surah Taha verse 114.

Rabbi Zaidni Ilma and what is its purpose?

It is more than just intellect, it is asking Allah for personal growth which may include knowledge to grow spiritually, intellectually, or financially.

The Meaning of Rabbi Zidni Ilma is "O My Lord! Advance me in knowledge".

What is the meaning of Rabbi Zidni Ilma?

What is the main purpose of Rabbi zidni Ilma?

Students and children are especially advised to recite this dua diligently to get a better understanding of their studies and to memorize their syllabus firmly.

In Islam, knowledge is considered an important element of life,  

and there is a famous saying in Islam that "learn knowledge and teach knowledge".