Rethinking Equity and Teaching for English Language Learners (RETELL)
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The RETELL initiative (Rethinking Equity in the Teaching of English Language Learners) represents a commitment to address the persistent gap in academic proficiency experienced by ELL students. At the heart of this initiative are training and licensure requirements for the Sheltered English Immersion (SEI) Endorsement, which core academic teachers of ELLs and principals/assistant principals and supervisors/directors who supervise or evaluate such teachers must obtain.

Requirements to obtain the SEI Endorsement

Requirements prior to July 1, 2016

Only core academic teachers who were assigned an ELL or administrators who supervise/evaluate core academic teachers who were assigned ELLs during their districts' cohort years are required to obtain the SEI Endorsement prior to July 1, 2016. Under 603 CMR 7.15 and 603 CMR 14.07 those CATs who were assigned an ELL at any point during their districts' cohort years and who fail to earn an SEI Endorsement by the time designated for their cohort, will not be eligible to renew, advance, or extend their educator license when it is due for such action until they earn an SEI Endorsement.

Prior to July 1, 2016 a CAT who was never assigned an ELL during their district's cohort years is not required to earn the Endorsement.

Requirement after July 1, 2016

After July 1, 2016, any unendorsed CAT who is assigned an ELL will have 12 months from the time of that assignment to earn the SEI Endorsement.

Pathways to earning the SEI Endorsement

For-cost SEI Endorsement courses

Any educator who wishes to earn the SEI endorsement may enroll in an endorsement course for a cost through one of the state-approved vendors. Information about for-cost courses can be found at For-Cost Courses webpage.


Educators who take and pass the SEI MTEL are eligible to receive the SEI Endorsement. Information about the test, including registration procedures and preparation materials, can be found at SEI MTEL Information webpage.

Possession of an ESL license

Educators who possess an ESL license are automatically eligible for the SEI Endorsement and will receive it once they apply. Information about licensing can be found on the webpage for the Office of Educator Licensure.

Transcript review

Educators who have previously completed graduate-level coursework that they believe may qualify them for the SEI Endorsement may request a transcript review from the Licensure Office.

To request a transcript review, an educator must apply for the endorsement and select path 2, which is a transcript review based on a related degree or graduate level training. Instructions for applying for the SEI Endorsement can be found at A Step by Step Guide Download PDF Document  Download Word Document.

For questions about transcript reviews or other license-related topics, please contact the Office of Educator Licensure at 781-338-6600.

Letters to the Field

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June 11, 2018 Memo Regarding Availability of SEI Endorsement Reports
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June 22, 2017 Memo from the Commissioner regarding SEI Endorsement Reports
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May 26, 2016 Notification to update list of CATs assigned ELLs in 2016
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May 26, 2016 An Important Notice Regarding SEI Endorsement Requirements as of July 1, 2016

Resources for Educators

Download PDF Document  Download Word Document
SEI Smart Card
Download PDF  Document  Download Word Document
How to apply for the SEI Endorsement
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EPIMS contacts by district (for educators who need help in locating their educator ID (MEPID)

RETELL/Extending the Learning

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Department-approved Professional Development Offerings Leading to SEI PDPs for Relicensure


For information about the ACCESS for ELLS® annual English language proficiency assessment, visit the Student Assessment webpage.

Contact Us

Massachusetts Department of Elementary and Secondary Education
75 Pleasant Street, Malden, MA 02148-4906

Voice: (781) 338-3000
TTY: (800) 439-2370


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