Mary Marshall

wife, Grammy, dual credit science instructor @TISDTHS, lifelong learner, golfer, @sfasu @lonestarcollege

[Baltimore Orioles @Orioles]

First of many 💪

[Mary Marshall @teachvalue]

@TomballHS check out our prokaryotic operon models @lonestarcollege #dcbiology https://t.co/N9mBNJfxTZ

[Mary Marshall @teachvalue]

@TISDTHS @TomballISD Viral Christmas ornaments! #biologicalholiday

[Mary Marshall @teachvalue]

Fake wounds and burns to study wound healing. @TISDTHS DCAP @lonestarcollege

[Mary Marshall @teachvalue]

A lil’ chilly but these DCBIO students are real troopers. Reviewing energy and enzymes. #chalktalk 41 degrees!

[Mary Marshall @teachvalue]

@TISDTHS Dual Credit Science “Gallery of Cells”

[Tomball Cougars VB @THSCougarsVB]

FINAL Scores vs. Klein HS! Way to go Coogs and thank you to all teachers and staff who came to support on #TeacherAppreciationNight ‼️ #AnotherSweepForTomball

@THS__athletics @thsabcinfo @TISDTHS @TISDTHS

[Mary Marshall @teachvalue]

@TISDTHS DCBIO getting a Charles Elton POV about food webs #theserengetirules

[Mary Marshall @teachvalue]

@HEB thank you for donating the chicken specimens so we can practice dissection techniques! #helpinghere @TISDTHS

[Mary Marshall @teachvalue]

@TISDTHS #tisdmoves goat yoga!

[Mary Marshall @teachvalue]

#totallytomball is rockin the 80’s today! @TISDTHS ##teamscience

[Mary Marshall @teachvalue]

@CocoWhite1906 @TISDTHS @TomballISD Congratulations Coco! We will miss you!

[Mary Marshall @teachvalue]

@CAlvarado110 @CoachNikNelson @Coach_TRod_FB @SFA_Football #AxeEm

[Mary Marshall @teachvalue]

@CocoWhite1906 Congratulations!!

[Mary Marshall @teachvalue]

@TISD_HT @TomballISD 🖤

[Chris Tobola @Coach_C_Tobola]

Hug your kids tonight…Our world is a mess right now…🙏🏻for the Tomball families!

[Mary Marshall @teachvalue]

@Tiina_Reiter @Karl__Reiter Congratulations Karl!!

[Mary Marshall @teachvalue]

@TISDTHS @TISD_AdvAcad Always have something unique your students will remember about your class. Ours is a squawking🐔 chicken!

[Mary Marshall @teachvalue]

@DTWillingham Choose your battles

[Tomball XC @Tomball_XC]

Congratulations to Bryan Mileski, District 15 6A 3200m Champion. Way to go. @TISDTHS @THS__athletics