* The state or country: Certification requirements are set at the state or national level and differ greatly. Some states might require a specific number of ESL coursework credits, while others might focus on a combination of coursework and practical experience.
* The type of certification: There are various types of ESL certifications, from basic teaching certificates to advanced endorsements or specializations. The credit requirements will differ based on the level of certification sought.
* The institution offering the certification: Different universities and professional organizations have varying standards and program structures.
To find out the specific ESL credit requirements, you must research the certification requirements in your state or country and the specific program you're considering. Look at the websites of your state's education department or professional organizations like TESOL (Teachers of English to Speakers of Other Languages).