Texas Success Initiative Assessment (TSI) - an assessment that determines the appropriate level of college course work for an incoming student through two exams: Mathematics and English Language Arts (Reading, Writing and Essay). These are some helpful TSI study-guides. 

Mometrix - https://www.mometrix.com/academy/tsi-study-guide/

Pearson Perspective Accuplacer/TSI - Perspective-Family Home (pearsonperspective.com)

Southwest Texas Junior College Resources

Student Success Center - offers tutoring, calculator checkout, computer labs, education planning/advising and study groups - Student Success Center (swtjc.edu)

SWTJC Tutoring - offered in person or virtually - Student Success Center Tutoring (swtjc.edu)