Los Alamos High
#1
Best ACT in New Mexico High Schools
860
Students
14.5:1
S:T Ratio
School Snapshot
Key metrics at a glance1,320
A
29
A
22
A+
35%
C+
15:1
B+
This Week at Los Alamos High – August 24, 2026
107 students practicing on Varsity Tutors
Academic Resources
Typical courses and practice resources for students at Los Alamos High
Standardized Test Dates
Upcoming national, state, and school calendar dates that affect students at Los Alamos High.
National Tests
August 1, 2026 – November 30, 2026
ISEE — Fall Testing Season
August 3, 2026 – June 30, 2027
SSAT — Flex Testing
August 28, 2026
SAT — National
September 1, 2026
ACT — National
September 1, 2026
SAT — National
September 4, 2026
SAT — National
State Assessments
March 15, 2027 – April 30, 2027
NM-MSSA — SLA
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1300 Diamond Dr, Los Alamos, NM 87544
(505)663-2210
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Los Alamos Public Schools
Academic Calendar
Important dates, holidays, and school events