Some of the achievements of the Centre are:
- Sociolinguistic Survey of Language Diversity and Language Use in Nigeria.
- Review/Development of Nigerian Languages Curricula for Basic Education: Hausa, Igbo, Yoruba, Efik, Fulfude, Izon, Edo and Tiv.
- Development of Curricula of other Nigerian Languages for Basic Education in collaboration with State Government / Language Associations: Isoko, Urhobo, Jukun and C'lela.
- Development of Orthography of Po Tangle language.
- Development of Orthographies of fourteen (14) Rivers State Languages: Abuan, Degema, Echie, Egbema, Egene, Ekpeye, Eleme, Gokana, Ibani, Kana, Ndoni, Odual, Ogba and Okrika languages.
- Development of Bilingual Dictionaries in English and Nigerian Languages for Basic Education:
- Hausa - English
- Igbo - English
- Yoruba - English
- Efik - English
- Tiv - English
- Development of Meta-language for six Nigerian Languages: Izon, Efik, Fulfude, Tiv, Kanuri and Edo.
- Basic Expressions for Tourists and Learners (English, French, Arabic, Hausa, Igbo and Yoruba).
- Translation and Printing of ECOWAS Reference Manual from English into Hausa, Igbo and Yoruba languages.
- Translation of the National Pension Commission documents into Pidgin English.