
Written By: Robyn Shulman, former ESL endorsement Academic Advisor, National Louis University
Are you considering adding the ESL endorsement in Illinois? During my time advising prospective teachers at National Louis University, I worked with more than 2,500 candidates pursuing ESL and bilingual credentials. The process can feel confusing, so I have organized the essential information and practical tips below to help clarify requirements, costs, and next steps for Illinois educators.
1. Illinois teachers can add the ESL endorsement or approval to the following teaching certificates:
Teachers holding teaching certificates of Type 03, 04, 09, or 10 are generally eligible to pursue the ESL endorsement or approval. (Note: Type 10 certificates are currently in transition—confirm details with your regional intermediate service center.)
Important: The Type 29 teaching certificate cannot be used to obtain either the ESL endorsement or the ESL approval.
2. The ESL endorsement courses required: 18 semester hours of graduate credit
The ESL endorsement requires 18 semester hours of graduate-level coursework, usually arranged across five content areas. Course titles vary by university, but typical required areas include:
- Theory of second language acquisition
- ESL methods and classroom practice
- Linguistics and language structure
- Cross-cultural education and diversity
- Assessment of English learners
- Plus one elective for the standard ESL endorsement
For candidates pursuing both ESL and bilingual approval/endorsement, the required core differs slightly: Theory, ESL Methods, Bilingual Methods, Cross-Cultural Education, and Assessment. In this combined track there is no elective slot because the program focuses on bilingual practice and language proficiency.
Note: The bilingual approval/endorsement includes a state assessment that requires demonstrated language fluency. Candidates must typically pass oral, written, and reading components of a bilingual fluency exam. Confirm the exact exam format and passing standards with your university or the Illinois State Board of Education (ISBE).
3. Clinical experience: 100 contact hours
Applicants must document 100 clinical hours working with English learners. These hours can be completed and documented through a university-sponsored practicum or verified by a letter from an employing district confirming at least 100 hours of ESL contact or a minimum of three months teaching in an ESL or bilingual setting. Always check with your university program to confirm acceptable documentation and practicum requirements.
4. ESL endorsement versus approval
There is no difference in validity between an approval and an endorsement: both authorize you to work with English learners at the grade levels covered by your certificate. The distinction is administrative:
- An approval is issued as a separate letter from the Illinois State Board of Education (ISBE).
- An endorsement is a permanent stamp added directly to the teaching certificate.
If you plan to teach middle school (grades 6–8), confirm that your certificate covers the middle grades. In some cases, earning middle-level authorization may require two additional courses. There is no fee for an approval letter, and no extra courses are required specifically because you are teaching in the middle grades—verify individual circumstances with ISBE or your university advisor.
5. Cost
The state endorsement processing fee is currently $50. There is no fee for an approval letter issued by ISBE. Program tuition and course costs vary by institution; many universities offer evening, online, or reduced-rate options for practicing teachers. Always review current fees with your institution and verify ISBE charges directly, as policies and amounts may change.
Practical next steps and tips
- Confirm your current certificate type (03, 04, 09, 10) and whether it is eligible for endorsement.
- Contact the licensure office at your university to map required courses to the five content areas and to schedule any necessary practicum hours.
- If pursuing bilingual endorsement, inquire early about the state fluency exam format and preparation resources.
- Keep organized records: transcripts, practicum verification letters, and course syllabi are often required when applying for endorsement or approval.
- Check ISBE rules and procedures before you apply, as requirements can be updated.
If you need clarification on specific course equivalencies, practicum documentation, or application steps, reach out to your university licensure advisor or the Illinois State Board of Education for the most current guidance. Thoughtful planning will streamline the process and ensure your credential reflects the training needed to support English learners effectively.