⚠Unofficial calendar. Always confirm with your district before making plans. Some dates are estimated from nearby districts or past years — those are marked below.
Lake Dallas ISD
Texas · 3,811 students · 2026–27 school year
Showing the 2026–27 school year. Past years & forecasts are in our API.
Spring
Mar 15 – Mar 19
Last day
May 26
Breaks & no-school days
Day off
Starts
Ends
1/2 Pd / 1/2 Work Day / Student Holiday
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Professional Development (Pd) / Student Holiday
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Professional Development (Pd) / Student Holiday
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Professional Development (Pd) / Student Holiday
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Teacher Work Days / Student Holiday
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Teacher Work Days / Student Holiday
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Student / Staff Non-School Day
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Fall Break
Pd / Student Holiday
—
Pd / Student Holiday
—
Student / Staff Non-School Day
—
Student / Staff Non-School Day
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Student / Staff Non-School Day
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Student / Staff Non-School Day
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Student / Staff Non-School Day
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Student / Staff Non-School Day
Student / Staff Non-School Day
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Student / Staff Non-School Day
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Pd / Student Holiday
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Student / Staff Non-School Day
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Spring Break
District Holiday
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District Holiday
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School dayDay offHalf dayEstimated — not yet confirmed by the district