In 1930, Joan Palet joins La LLotja Barcelona’s famed Fine Arts’ School and he immerses himself with joy in the evening classes and endless work sessions. Some of his teachers were men like Ramon Calsina, Félix Mestres, Labarta, F. Pérez Dols y Antoni Vila Arrufat.

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At that time, he works as a drawer for the 1929 International Exposition and some books. He also begins publishing for the magazine Patufet while learning and producing as much as art as he possibly can, with the inexhaustible energy of a young man.  

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He soon masters the techniques of painting, engraving and etching, which he will often use in his long career.  He learns, among other things, the formulas for making varnishes and colors, which he will sometimes manufacture himself.

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In "La Llotja “ he finds a group of friends that he will preserve for life. The group, which called itself "la colla" (de gang) consisted of some of the brightest artists of that generation including Josep Maria Mallol Suazo, Manuel Ricart Serra and Ricard Giralt Miracle and, also Pere Riu, Joan Roé, Casimir Tarrassó, the brothers Lluís and Santiago Pallarès, and Nicolas and Vicente Miralles and some much more

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Together with Mallol Suazo, Ricart Serra and other companions of Llotja, he embarks on pictorial excursions, following the pictorial tradition started by painters as Joan Mir and Planas Doria. Their main destinations were Sant Miquel del Fai and Montornès del Vallès, beautiful landscapes where they could paint outdoors. They were also going to draw "El Molino", where they made small watercolours or quick sketches of the exotic dancers.

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In 1932 he became a member of the Artistic Circle of Sant Lluc and the Royal Artistic Circle of Barcelona, ​​illustrious entities to which he would always stay connected.