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. Author manuscript; available in PMC: 2012 Nov 19.
Published in final edited form as: Sociol Educ. 2009 Oct 1;82(4):287–314. doi: 10.1177/003804070908200401

Table 7.

2SLS Estimates of the Number of Same-Race High School Classmates on College Achievement: 1995–2003

Fixed Effects? First-Semester GPA
Two-year Persistence
Pooled Sample Year/School (1) White Sample Year/School (2) Black Sample Year/School (3) Hispanic Sample Year/School (4) All Year/School (5) White Sample Year/School (6) Black Sample Year/School (7) Hispanic Sample Year/School (8)
Number of same-race classmates 0.113* (0.063) 0.079 (0.051) 0.048 (0.160) 0.086 (0.057) 0.028* (0.016) 0.022 (0.015) 0.031 (0.051) 0.015 (0.015)
Male −0.124*** (0.017) −0.126*** (0.012) −0.118** (0.048) −0.101*** (0.021) −0.016*** (0.005) −0.012** (0.005) −0.001 (0.019) −0.013 (0.008)
Black 2.619** (1.311) 0.653* (0.338)
Hispanic 2.172* (1.157) 0.514* (0.298)
Asian 1.449* (0.783) 0.388* (0.202)
Other race 2.355* (1.320) 0.574* (0.340)
Maternal education 0.039*** (0.012) 0.041*** (0.011) 0.018 (0.029) 0.016 (0.015) 0.014*** (0.003) 0.015*** (0.004) 0.011 (0.013) 0.008 (0.007)
Missing maternal education −0.201*** (0.049) −0.203*** (0.027) −0.250** (0.126) −0.150*** (0.049) −0.144*** (0.014) −0.145*** (0.011) −0.217*** (0.042) −0.175*** (0.023)
High school class rank 0.027*** (0.002) 0.028*** (0.002) 0.017*** (0.002) 0.026*** (0.001) 0.005*** (0.000) 0.005*** (0.001) 0.005*** (0.001) 0.005*** (0.001)
Top 10 percent 0.246*** (0.068) 0.283*** (0.049) 0.178 (0.158) 0.248*** (0.062) 0.036* (0.019) 0.051*** (0.019) 0.021 (0.065) 0.045* (0.026)
SAT/ACT score 0.001*** (0.000) 0.001*** (0.000) 0.001*** (0.000) 0.001*** (0.000) 0.001 (0.005) −0.007*** (0.002) −0.028*** (0.007) 0.002 (0.004)
Classmates’ SAT/ACT score 0.001* (0.000) 0.001 (0.000) −0.000 (0.001) 0.001** (0.000) 0.000 (0.000) 0.000 (0.000) −0.000 (0.000) 0.000 (0.000)
Top 10 X black −1.172** (0.540) −0.267* (0.140)
Top 10 X Hispanic −0.805* (0.423) −0.165 (0.109)
Top 10 X maternal education 0.019 (0.023) −0.026** (0.012) 0.020 (0.040) −0.016 (0.017) 0.001 (0.006) −0.009* (0.005) −0.005 (0.016) −0.004 (0.007)
Observations 50264 31219 1723 7433 50264 31219 1723 7433
Number of schools 851 699 272 471 851 699 272 471
F-statistic 4.992 4.895 8.179 12.88 4.992 4.895 8.179 12.88

Note: Standard errors clustered at the high school level.

***

1%,

**

5%, and

*

10%.

Source: University of Texas at Austin administrative data.