Heritage Language Preservation

Why preserving a student's home language matters — for cognitive development, family connection, and long-term academic outcomes — and how paras can support it.

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| Audience | Bilingual paras; paras working with ELL students who are pressured to abandon their home language; teachers and families navigating home language questions. |

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| Why This Matters |

| The research on bilingualism is clear: maintaining and developing a student's home language while acquiring English does not slow English acquisition — it supports it. Yet many ELL students receive implicit or explicit messages that their home language is a problem to be solved rather than an asset to be developed. Paras who understand the research and its practical implications can advocate for students and families navigating these pressures. |

What Heritage Language Is

A heritage language is a language other than English that a student has some connection to through family or cultural background. Heritage language speakers range from students with full proficiency in their home language to students who understand the language but do not speak it fluently, to students who have limited exposure but deep cultural connection.

For ELL students in U.S. schools, the home language — Spanish, Somali, Mandarin, Arabic, Haitian Creole, and hundreds of others — is typically the heritage language. For many families, this language is the vehicle of family relationships, cultural identity, and intergenerational connection.

What the Research Shows

Decades of research on bilingual language acquisition support several clear conclusions:

Bilingualism is not a cognitive burden. The notion that learning two languages confuses children is not supported by evidence. Bilingual children develop strong executive function, metalinguistic awareness, and cognitive flexibility.

Home language proficiency supports English acquisition. Strong literacy in the home language transfers to English literacy development through common underlying proficiency. A student who can read in Spanish learns to read in English faster than a student who has been prevented from developing Spanish literacy.

Language loss has real costs. Students who lose their home language lose access to family relationships, cultural knowledge, and community belonging. The psychological and social costs of language loss are documented and significant.

Subtractive bilingualism harms students. When schools treat English acquisition as requiring the abandonment of the home language (subtractive bilingualism), students lose one language without fully gaining another. Additive bilingualism — developing English while maintaining the home language — produces better outcomes on every measure.

The Para's Role in Heritage Language Preservation

Paras do not set school language policy, but they shape the daily language environment of individual students:

Never tell a student to stop speaking their home language with a family member, peer, or themselves. The home language is not a school rule violation.

Affirm the home language explicitly: 'It is great that you speak two languages — that is a real skill.' This counters years of implicit messages that the home language is a problem.

Use the home language strategically in instruction. Allowing a student to clarify understanding in their home language and then construct the English output is an evidence-based instructional strategy, not a shortcut.

Encourage families to maintain home language use at home. Research is unambiguous: parents and caregivers speaking to children in their strongest language produces better outcomes than parents awkwardly attempting English. Support families in feeling confident about this.

When Families or Students Express Shame About the Home Language

Some students and families have internalized the message that their home language is inferior or embarrassing. This is a product of historical and ongoing language discrimination, and it is harmful. Paras can gently push back:

Share the research in accessible terms: 'Studies show that kids who keep their home language actually get better at English too.'

Normalize bilingualism: 'In most of the world, speaking two languages is just normal. We are the unusual ones.'

Connect to pride: 'Speaking Somali is a gift. There are kids in this building who would love to learn it.'

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| ✅ Try this | ⚠️ Watch out for |

| Affirm the home language as an asset, never discourage its use with family or peers, and encourage families to maintain home language use at home. Model respect for the student's full linguistic identity. | Tell students to speak only English, treat home language use as a problem to be managed, or reassure families that abandoning the home language will help their child succeed faster. The evidence is strongly against this position. |

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| Bottom line | The home language is not an obstacle to English acquisition — it is a foundation for it. Paras who affirm heritage languages, support their use strategically, and help students and families resist language shame are supporting cognitive development, family connection, and long-term academic success simultaneously. |

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