San Isidro High School
75
Students
10.3:1
S:T Ratio
School Snapshot
Key metrics at a glance20
B-
10:1
A
This Week at San Isidro – May 23, 2026
19 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at San Isidro High School
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at San Isidro High School.
National Tests
April 21, 2026 – May 29, 2026
ACT — School Day - Late Spring Online
May 14, 2026 – May 28, 2026
SAT — School Day
May 16, 2026 – May 30, 2026
SAT Score Release Date
May 26, 2026
SAT *Late Registration/Changes/Cancellations Deadline
May 29, 2026
ACT
June 5, 2026
ACT
School Milestones
May 21, 2026 – May 29, 2026
School End/Summer Start
May 22, 2026 – June 4, 2026
School End/Summer Start
May 23, 2026 – June 7, 2026
Graduation
May 28, 2026
School End/Summer Start
June 4, 2026
School End/Summer Start
Unlock Academic Success
Personalized learning support for San Isidro High School learners
SAT Prep
Practice tests, flashcards, and AI-powered study tools
ACT Prep
Master all four sections with targeted practice
Study Coach
Get instant help with homework and practice problems 24/7
1:1 Tutoring
Match with expert tutors in San Isidro
Live Classes
Join interactive group sessions with expert instructors
Practice Hub
Thousands of flashcards and learning resources
5175 Fm 1017, San Isidro, TX 78588
(956)481-3110
Visit Website
San Isidro Independent School District