Nicole León first discovered a passion for teaching while pursuing her undergraduate studies at the Juilliard School. Her teaching career spans nearly two decades, encompassing advanced violin instruction at the conservatory level in both the United States and France.  

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In 2021, she was appointed violin professor at the Sarcelles Conservatory of Music, where she taught violin as part of the initiative Un violon dans mon école. Launched by the Vareille Foundation in 2015, A violin can change the world is an educational program geared towards helping disadvantaged children improve their academic performance through rigorous violin instruction. 

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Nicole currently serves on the artist faculty of the Conservatoire à Rayonnement Départemental du Blanc-Mesnil. Fluent in English, Spanish, and French, she teaches in all three languages.