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Full Report - Center for Collaborative Education

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Table 1. Variables, Definitions and Sources of Data: Student Level<br />

Variable Definition Source1 Student Subgroups<br />

NES A student who is a native English speaker.<br />

Student LEP and FLEP subgroup variables were<br />

A student who is a native speaker of a language created using BPS LEP and FLEP date designation<br />

NSOL other than English (i.e., a student whose first variables to construct interim LEP and FLEP<br />

language is not English).<br />

subgroup variables <strong>for</strong> October and June of each<br />

NSOL-EP<br />

A student whose first language is not English but<br />

who is proficient in English.<br />

school year, respectively. Although the research<br />

team requested the SIMS variable that indicates<br />

A student who is of limited English proficiency, whether a student is of limited English proficiency<br />

LEP incapable of per<strong>for</strong>ming ordinary schoolwork in (DOE025), the team did not receive it and received in<br />

English.<br />

its place a variable containing the LEP assignment<br />

FLEP<br />

A student who is <strong>for</strong>merly of limited English<br />

proficiency.<br />

date (and also a FLEP assignment date variable) and<br />

LEP status variable from BPS. The source of the latter<br />

was not explained. Final versions of the LEP and<br />

FLEP variables were created by incorporating native<br />

language data (if the student’s native language<br />

(DOE024) was listed as English, the student was not<br />

coded as a LEP or FLEP). In addition, based on the<br />

FLEP date, if the student spent the majority of the<br />

EP<br />

A student proficient in English, who may be an<br />

NES, a FLEP, or an NSOL-EP. In other words, this<br />

is any student who is not of limited English<br />

proficiency.<br />

school year as a LEP, the student was coded as a<br />

LEP <strong>for</strong> that school year. An NSOL-EP variable was<br />

constructed to define any student whose native<br />

language was not English and who was not a LEP or<br />

FLEP. An NSOL variable was constructed that<br />

included LEP, FLEP and NSOL-EP students. An NES<br />

variable was constructed to define any student whose<br />

native language was English. By definition, an NES<br />

student was not a LEP, FLEP, or NSOL-EP student.<br />

Finally, an EP variable was created which included<br />

any NES, NSOL-EP or FLEP students.<br />

Demographic Characteristics<br />

Gender of student (% male is most frequently used SIMS DOE009<br />

Gender in this report).<br />

We defined low-income status as a student who is SIMS DOE019<br />

eligible <strong>for</strong> free/reduced price lunch.<br />

We re-categorized this variable into a dummy<br />

Income<br />

variable.<br />

Language a student has learned from birth. Also SIMS DOE024<br />

first language.<br />

We reported on native speakers of English, Spanish,<br />

Haitian Creole, Cape Verdean Creole, Chinese<br />

dialects, Vietnamese, Portuguese, and Somali. All<br />

Native<br />

other languages were collapsed into and reported as<br />

Language<br />

a single “other languages” category. The Chinese<br />

category was constructed by collapsing speakers of<br />

Chinese dialects, Mandarin, Cantonese, Hakka, and<br />

Fukien, all of which are identified by separate codes in<br />

DOE024.<br />

We defined mobile students as any student who Constructed by comparing SIMS DOE015 (School ID)<br />

changed schools between October and June of a data from October and June SIMS <strong>for</strong> a given school<br />

Mobility given school year.<br />

year.<br />

SIMS DOE010<br />

This variable was recoded such that Non-Hispanic<br />

students are classified into the 5 race categories<br />

(White, Black/African American, Asian, American<br />

Race/Ethnicity<br />

Indian/Alaskan Native, and Native Hawaiian/Pacific<br />

Improving <strong>Education</strong>al Outcomes of English Language Learners in Schools and Programs in Boston Public Schools 109

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