WICharterCalendar available · 79 events · Auto-updating
CORE4 — School Calendar 2026-27
Greenfield, Wisconsin|Whitnall School District
Greenfield, WI 53228
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Upcoming Events
Sep
1
Tue
First Day of School - All StudentsEvent
Confirm bus route and pickup time. Early dismissal may apply.
Sep
1
Tue
First Day of School - All StudentsEvent
Confirm bus route and pickup time. Early dismissal may apply.
Sep
7
Mon
No School - Labor DayHoliday
Banks, government offices, and schools may be closed.
Sep
7
Mon
No School - Labor DayHoliday
Banks, government offices, and schools may be closed.
Sep
15
Tue
WHS Early Release Day - PreACT & ACT Testinghalf_day
Sep
15
Tue
WHS Early Release Day - PreACT & ACT Testinghalf_day
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School Profile
Grades
PK
Enrollment
106
Student:Teacher
26.5:1
Locale
Suburban
District
Whitnall School DistrictEcon. Disadvantaged
25.5%
Phone
(414)525-8404Charter School
School Statistics
Technology & Internet Access (SY 2021-22)
1:1 Devices
Student devices available
Wi-Fi
Campus-wide wireless
Fiber Internet
High-speed connection
45
Connected devices
District Finance (FY 2023)
Per-Pupil Spending
$13,630
Total current expenditure
Instruction Spending
$7,917
Per pupil, classroom only
Total Revenue/Pupil
$18,222
All funding sources
Funding Sources
Federal 10%State 36%Local 55%
District-level data from NCES F-33 Survey
Community Context
Median Home Value
$369,611
+5.0% 1yr+36.5% 5yr
Milwaukee, WI metro area
Community Need Level
Elevated
CDC/ATSDR Social Vulnerability Index 2022
Neighborhood Indicators (Census Tract)
27.5%
Below 150% poverty line
5.0%
Unemployment rate
7.2%
Uninsured residents
11.3%
No HS diploma (25+)
Special Education (IDEA)
District-level data from IDEA Part B · Students ages 3-21 served under IDEA
Total Students Served
406
Ages 3-21 under IDEA
School-Age (6-21)
384
Receiving special ed services
Est. % of Enrollment
100%
District rate, school may vary
Disability Categories (District)
Speech/Language Impairment
103 (27%)
Other Health Impairment
100 (26%)
Specific Learning Disability
83 (22%)
Autism
57 (15%)
Emotional Disturbance
13 (3%)
Intellectual Disability
11 (3%)
Source: U.S. Department of Education, IDEA Section 618 Data · District-level counts · Individual school figures may differ
Enrollment Trend (2014-2025)
87
Current enrollment
Declining(-22% 5yr)Coming Up
Tue, Sep 1, 2026
First Day of School - All Students
EventTue, Sep 1, 2026
First Day of School - All Students
EventMon, Sep 7, 2026
No School - Labor Day
HolidayFull School Calendar 2026-27
| Date | Event |
|---|---|
| Tue, Sep 1, 2026 | First Day of School - All Students |
| Tue, Sep 1, 2026 | First Day of School - All Students |
| Mon, Sep 7, 2026 | No School - Labor Day |
| Mon, Sep 7, 2026 | No School - Labor Day |
| Tue, Sep 15, 2026 | WHS Early Release Day - PreACT & ACT Testing |
| Tue, Sep 15, 2026 | WHS Early Release Day - PreACT & ACT Testing |
| Fri, Oct 2, 2026 | No School - Professional Learning Day |
| Fri, Oct 2, 2026 | No School - Professional Learning Day |
| Thu, Oct 15, 2026 | No School - 4K Students |
| Thu, Oct 15, 2026 | No School - 4K Students |
| Fri, Oct 16, 2026 | No School - All Elementary Students |
| Fri, Oct 16, 2026 | No School - All Elementary Students |
| Fri, Oct 23, 2026 | WMS Early Release |
| Fri, Oct 23, 2026 | WMS Early Release |
| Thu, Oct 29, 2026 | End of Progress Period 1 |
| Thu, Oct 29, 2026 | End of Progress Period 1 |
| Fri, Oct 30, 2026 | No School |
| Fri, Oct 30, 2026 | No School |
| Mon, Nov 2, 2026 | No School - Professional Learning Day |
| Mon, Nov 2, 2026 | No School - Professional Learning Day |
| Wed, Nov 25, 2026 | No School - Thanksgiving Break |
| Wed, Nov 25, 2026 | No School - Thanksgiving Break |
| Thu, Nov 26, 2026 | No School - Thanksgiving Break |
| Thu, Nov 26, 2026 | No School - Thanksgiving Break |
| Fri, Nov 27, 2026 | No School - Thanksgiving Break |
| Fri, Nov 27, 2026 | No School - Thanksgiving Break |
| Wed, Dec 23, 2026 | No School - Winter Break |
| Wed, Dec 23, 2026 | No School - Winter Break |
| Thu, Dec 24, 2026 | No School - Winter Break |
| Thu, Dec 24, 2026 | No School - Winter Break |
| Fri, Dec 25, 2026 | No School - Winter Break |
| Fri, Dec 25, 2026 | No School - Winter Break |
| Mon, Dec 28, 2026 | No School - Winter Break |
| Mon, Dec 28, 2026 | No School - Winter Break |
| Tue, Dec 29, 2026 | No School - Winter Break |
| Tue, Dec 29, 2026 | No School - Winter Break |
| Wed, Dec 30, 2026 | No School - Winter Break |
| Wed, Dec 30, 2026 | No School - Winter Break |
| Thu, Dec 31, 2026 | No School - Winter Break |
| Thu, Dec 31, 2026 | No School - Winter Break |
| Fri, Jan 1, 2027 | No School - Winter Break |
| Fri, Jan 1, 2027 | No School - Winter Break |
| Mon, Jan 18, 2027 | No School - Professional Learning Day |
| Mon, Jan 18, 2027 | No School - Professional Learning Day |
| Fri, Jan 22, 2027 | End of Semester 2 (Progress Period 2) |
| Fri, Jan 22, 2027 | End of Semester 2 (Progress Period 2) |
| Mon, Jan 25, 2027 | No School - Professional Learning Day |
| Mon, Jan 25, 2027 | No School - Professional Learning Day |
| Thu, Feb 11, 2027 | No School - 4K Classes |
| Thu, Feb 11, 2027 | No School - 4K Classes |
| Fri, Feb 12, 2027 | No School - All Elementary Students |
| Fri, Feb 12, 2027 | No School - All Elementary Students |
| Mon, Feb 15, 2027 | No School - Professional Learning Day |
| Mon, Feb 15, 2027 | No School - Professional Learning Day |
| Tue, Mar 9, 2027 | WHS Early Release - PreACT Testing |
| Tue, Mar 9, 2027 | WHS Early Release - PreACT Testing |
| Tue, Mar 16, 2027 | WHS ACT Testing |
| Tue, Mar 16, 2027 | WHS ACT Testing |
| Mon, Mar 22, 2027 | No School - Spring Break |
| Mon, Mar 22, 2027 | No School - Spring Break |
| Tue, Mar 23, 2027 | No School - Spring Break |
| Tue, Mar 23, 2027 | No School - Spring Break |
| Wed, Mar 24, 2027 | No School - Spring Break |
| Thu, Mar 25, 2027 | No School - Spring Break |
| Thu, Mar 25, 2027 | No School - Spring Break |
| Fri, Mar 26, 2027 | No School - Spring Break |
| Fri, Mar 26, 2027 | No School - Spring Break |
| Fri, Apr 2, 2027 | End of Progress Period 3 |
| Fri, Apr 2, 2027 | End of Progress Period 3 |
| Fri, Apr 9, 2027 | WMS Early Release |
| Fri, Apr 9, 2027 | WMS Early Release |
| Mon, Apr 26, 2027 | No School - Professional Learning Day |
| Mon, Apr 26, 2027 | No School - Professional Learning Day |
| Fri, May 28, 2027 | No School - Professional Learning Day |
| Fri, May 28, 2027 | No School - Professional Learning Day |
| Mon, May 31, 2027 | No School - Memorial Day |
| Mon, May 31, 2027 | No School - Memorial Day |
| Wed, Jun 9, 2027 | Last Day of School - 1/2 Day for Students |
| Wed, Jun 9, 2027 | Last Day of School - 1/2 Day for Students |
Showing 79 events for the 2026-27 school year
Frequently Asked Questions about CORE4
CORE4 currently enrolls 106 students across multiple grade levels. The school operates under the local school district in WI.
Calendar Guides
School profiles: Data from NCES Common Core of Data. Calendar events from district calendar sources, updated automatically. · How we verify this data