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• Ph D in Educational Linguistics, University of Pennsylvania (2012)
• MA in Teaching ESOL, School for International Training (2001)
• BA in Sociology, Cornell University (1994)

• Cruzar Fronteras em espaços acadêmicos: Transgressing “the limits of translanguaging.” Applied Linguistics Review (2019), Brendan O'Connor, Katherine Mortimer, Lesley Barlett, Maria T. De La Piedra, Mangual Figueroa Ariana, Ana Rabelo gomez, Gabriela Novaro, Marjorie Faulstich Orellana, Char Ullman.
• Cruzar Fronteras em espaços acadêmicos: Transgressing “the limits of translanguaging.” Applied Linguistics Review (2019), Brendan O'Connor, Katherine Mortimer, Bartlett Lesley, Maria T. De La Piedra, Ariana Mangual Figueroa, Ana Maria Rabelo Gomes, Gabriela Novaro, Marjorie Faulstich Orellana, Char Ullman.
• Cruzar fronteras em espaços acadêmicos: Transgressing “the limits of translanguaging” Applied Linguistics Review 2019-07-19 (2019), Joseph P. O'Connor, Katherine Mortimer, Char Ullman.
• The hegemony of language separation: Discontents en programas de lenguaje dual en Paraguay and El Paso Association of Mexican American Educators Journal 12 2 (2018), Katherine Mortimer.
• Small stories of/in changing times in Paraguay: A resource for identity work in language policy appropriation Routledge (2017), Katherine Mortimer.

• Rendering wholeness: Collaborative analysis as resistance to fragmentations in educational ethnography (2018), Volume San Jose, CA, Katherine Mortimer, Maria T. De La Piedra, Alberto Esquinca.
• Cruzar Fronteras em espaços acadêmicos: Transgressing “the limits of translanguaging.” (2018), Volume Bloomington, IN, Brendan O'Connor, Katherine Mortimer, Lesley Bartlett, Maria T. De La Piedra, Ariana Mangual Figueroa, Ana Maria Rabelo Gomes, Gabriela Novaro, Marjorie Faulstich Orellana, Char Ullman.
• Policies and practices for high school dual language education on the US-Mexico border: Students’ voices. (2018), Volume Columbus, OH, Katherine Mortimer.
• Advancing high school dual language pedagogy: A focus on translanguaging practices for content-area biliteracy. (2018), Volume Albuquerque, NM, Katherine Mortimer, Gabriela M. Dolsa, Diana Rivadeneira, Christian Valdez.
• The hegemonía of language separation en programas de lenguaje dual en Paraguay and the US-Mexico border (2017), Volume UTEP and UACJ, Katherine Mortimer.

• Documenting Exemplary Dual Language Practices in Paso del Norte K-8 Classrooms
• Flipgrid as a pedagogical tool for bilingual/English Language Learner instruction