When parents ask whether speaking Spanish at home will hurt their child academically, I usually pause and smile.

Let’s slow down.

Research consistently shows that bilingual children experience cognitive benefits, including stronger executive function and problem-solving skills. A widely cited review published in Child Development found that bilingualism enhances attention control and mental flexibility (Bialystok, 2011, Child Development Journal).

Translation? Switching between languages is like mental cross-training.

According to the American Council on the Teaching of Foreign Languages (ACTFL), bilingual individuals also demonstrate long-term advantages in communication skills and cultural adaptability.

In South Florida, bilingualism is not just culturally enriching — it is practical. The U.S. Census Bureau reports that nearly 70% of Miami-Dade residents speak a language other than English at home.

English is not going anywhere. Schooling, media, and peer interaction will reinforce it daily. But connection to grandparents? Cultural pride? The ability to navigate multiple worlds comfortably? That is a lifelong asset.

The real goal is biliteracy — reading and writing in both languages. Encourage books in Spanish. Let them text abuela. Let them translate restaurant menus for dad.

You are not disadvantaging your child. You are expanding their brain.

And that’s a pretty good start.

Sources:

• Bialystok, E. (2011). Child Development Journal

• ACTFL Position Statements

• U.S. Census Bureau, Miami-Dade Language Data