David Costa

school administrator

[David Costa @therealmrcosta]

@HargreavesBC @LBiPD @LearningForward @CorwinPress @mtpoc @uOttawa @bclynchschool @DanetteParsley @osirisedu @acelaustralia This was an incredible conversation. Thank you very much!

[David Costa @therealmrcosta]

@ernestmorrell Thinking of you and your family @ernestmorrell . Sending healing thoughts your way

[David Costa @therealmrcosta]

@aidemph @SanJoseSharks Meh

[David Costa @therealmrcosta]

@MathinCommon, #formative. "decision driven data collection" Dylan Wiliam

[David Costa @therealmrcosta]

Started Run for Distance with #cyclemeter at 10:39 AM, on a new route, see http://t.co/nhb5dKTokM.

[David Costa @therealmrcosta]

Started Run for Distance with #cyclemeter at 9:21 AM, on a new route, see http://t.co/LJj8HtU2ui.

[David Costa @therealmrcosta]

Started Run for Distance with #cyclemeter at 6:55 PM, on a new route, see http://t.co/DqFMUlcqLW.

[David Costa @therealmrcosta]

Started Run for Distance with #cyclemeter at 5:45 PM, on a new route, see http://t.co/gVVSeLY4Gk.

[David Costa @therealmrcosta]

Started Run for Distance with #cyclemeter at 11:50 AM, on a new route, see http://t.co/mJAOGGIb9f.

[David Costa @therealmrcosta]

Started Run for Distance with #cyclemeter at 5:51 PM, on a new route, see http://t.co/zve1ju8xTK.

[David Costa @therealmrcosta]

Started Run for Distance with #cyclemeter at 12:10 PM, on a new route, see http://t.co/XrxjYy1n8J.

[David Costa @therealmrcosta]

Join me at Outbreak Soccer Centers http://t.co/Ch7IPTitMv via @sharethis

[David Costa @therealmrcosta]

Started Run for Distance with #cyclemeter at 6:29 PM, on a new route, see http://t.co/bdk2nSDcxD.

[David Costa @therealmrcosta]

Started Run for Distance with #cyclemeter at 3:04 PM, on a new route, see http://t.co/QBClS9BmF7.

[David Costa @therealmrcosta]

Started Run with #cyclemeter at 11:24 AM, on a new route, see http://t.co/BlPopOQmd6, Cyclemeter will speak your replies to me.

[David Costa @therealmrcosta]

Started Cycle for Distance with #cyclemeter at 1:47 PM, on a new route, see http://t.co/v0PlHwX1mH.

[David Costa @therealmrcosta]

Started Walk with #cyclemeter at 6:43 PM, on a new route, see http://t.co/rmo3pWGGZP, Cyclemeter will speak your replies to me.

[David Costa @therealmrcosta]

Started Run with #cyclemeter at 5:52 PM, on a new route, see http://t.co/6b1YbKOwMQ, Cyclemeter will speak your replies to me.

[David Costa @therealmrcosta]

Started Run with #cyclemeter at 5:15 PM, on a new route, see http://t.co/kPEbltMBKH, Cyclemeter will speak your replies to me.

[David Costa @therealmrcosta]

Started Walk with #cyclemeter at 12:48 PM, on a new route, see http://t.co/GZ3ijkNkXJ, Cyclemeter will speak your replies to me.