Short answer
Yes. A 1500 SAT is competitive at many selective universities. It does not guarantee admission, but it usually removes score weakness from the application.
Next step
Focus on essays, course rigor, recommendations and fit unless your target schools have unusually high score ranges.
Useful calculators
SAT Score Calculator
Estimate your SAT total score and percentile range from Reading/Writing and Math scores.
ACT Score Calculator
Calculate your ACT composite score from English, Math, Reading and Science section scores.
IELTS Band Calculator
Calculate your IELTS overall band from Listening, Reading, Writing and Speaking scores.
TOEFL Score Calculator
Add TOEFL section scores and understand your estimated total and university readiness band.