The study examined mathematics and English student achievement, attendance rates, dropout rates, and expenditures per pupil for Texas high school students in both open-enrollment charter schools and traditional public high schools for the 2009–2010 school year. All data were assembled using archived information found at the Texas Education Agency (TEA). This information included the TEA report entitled Texas Open Enrollment Charter Schools Evaluation; TEA Snapshot Yearly Report; and Academic Excellence Indicator System (AEIS) data files. Microsoft Excel (Version 2010) was used to randomly select traditional public high schools categorized as Title 1 and non-Title 1 for comparison with Title 1 and non-Title 1 open-enrollment charter high schools. The IBM Statistical Package for the Social Sciences (SPSS) (IBM Statistics Version 20) was used for a one-way analysis of variance (ANOVA) conducted between one independent variable (charter or traditional school) and five dependent variables (mathematics exit-level TAKS scores, English exit-level TAKS scores, attendance rates, dropout rates, and expenditures per pupil). Traditional public high school students had higher or better average mean values than charter schools for mathematics exit-level TAKS scores, English exit-level TAKS scores, attendance rates, dropout rates, and expenditures per pupil. The ANOVA found that four of the five dependent variables …