999 West Dundee Road
Wheeling, Illinois 60090

Phone: 847-537-8270

Superintendent: Dr. Michael Connolly

School Board & Administration



CCSD21 is a school district comprised of 13 schools across 6 different communities in the northwest suburbs of Chicago.



School District 21 prides itself on its Professional Learning Community and its rich tradition of professional collaboration, high levels of professional development, and family-like atmosphere. If you see the opportunity to work with colleagues in making a difference in the lives of students and families in a truly diverse setting, School District 21 seeks your application.

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Earth Science

Power Standards
  • Use and share observations of local weather conditions to describe patterns over time. (K-ESS2-1)
  • Ask questions to obtain information about the purpose of weather forecasting to prepare for, and respond to, severe weather. (K-ESS3-2)

Critical Content

Concepts and Skills

* Power Standard Content

ESS2.D: Weather and Climate

  • * Weather is the combination of sunlight, wind, snow or rain, and temperature in a particular region at a particular time. People measure these conditions to describe and record the weather and to notice patterns over time. (K-ESS2-1)

ESS3.B: Natural Hazards

  • * Some kinds of severe weather are more likely than others in a given region. Weather scientists forecast severe weather so that the communities can prepare for and respond to these events. (K-ESS3-2)

Critical Language (Science & Engineering Practices)

Language Usage

  • A student in kindergarten can ask questions based on observations to find more information about the world. (K-ESS3-2)
  • A student in kindergarten can read grade-appropriate texts and/or use media to obtain scientific information to describe patterns in the natural world. (K-ESS2-1, K-ESS3-2)


Content-Specific Vocabulary

  • Weather
  • Flood
  • Climate
  • Temperature
  • Thermometer
  • Severe weather
  • Thunderstorm
  • Seasonal weather pattern
  • Tornado
  • Blizzard
  • Daily weather pattern


Process-Specific Vocabulary

  • Make observations
  • Ask questions
  • Take measurements
  • Collect/record data
  • Describe patterns


Concept-Based Connections

Essential Understandings

  • People ask questions about the natural world every day to help understand why things happen around them. (K-ESS3-2)
  • Weather scientists forecast severe weather so that communities can prepare for and respond to these events. (K-ESS3-2)
  • By measuring weather conditions, people observe patterns based on their location and time of year. (K-ESS2-1)


Factual Guiding Questions

  • What is the weather like today and how is it different from yesterday? (K-ESS2-1)
  • What are the weather characteristics of winter, spring, summer, and fall in your area? (K-ESS2-1)
  • How do the seasons and weather affect how people live in your area? (K-ESS3-2)
  • How do weather forecasts help people prepare for severe weather? (K-ESS3-2)


Conceptual Guiding Questions

  • What weather patterns can you describe over a week? ┬ámonth? ┬áseason? (K-ESS2-1)
  • How is severe weather the same or different in your community (region) to that of a different <insert specified location> (region)? (K-ESS3-2)
  • How do weather patterns help us forecast future weather? (K-ESS3-2)
  • How do weather patterns help us make decisions/choices? (K-ESS2-1 K-ESS3-2)


Engaging/Debatable Guiding Questions

  • What problems are associated with weather forecasting?
  • How could weather forecasting be improved?