Horizon Elementary (Data source)
Source data for Horizon Elementary
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 504332 | 2387 | - | 2436 | = | -49 | * | (129 | / | 371) | = | -17.03773581 | ||
| 4 | 504335 | 2412 | - | 2485 | = | -73 | * | (124 | / | 371) | = | -24.39892177 | ||
| 5 | 504336 | 2419 | - | 2528 | = | -109 | * | (118 | / | 371) | = | -34.66846359 | ||
| 6 | 504339 | 0 | - | 2552 | = | * | (0 | / | 371) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Horizon Elementary | -76 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 16003 | 2401 | - | 2436 | = | -35 | * | (132 | / | 393) | = | -11.75572517 | ||
| 4 | 16005 | 2438 | - | 2485 | = | -47 | * | (135 | / | 393) | = | -16.14503815 | ||
| 5 | 16007 | 2440 | - | 2528 | = | -88 | * | (126 | / | 393) | = | -28.21374046 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Horizon Elementary | -56 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 16324 | 2410 | - | 2436 | = | -26 | * | (125 | / | 399) | = | -8.14536341 | ||
| 4 | 16327 | 2444 | - | 2485 | = | -41 | * | (135 | / | 399) | = | -13.87218042 | ||
| 5 | 16329 | 2463 | - | 2528 | = | -65 | * | (139 | / | 399) | = | -22.64411026 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Horizon Elementary | -45 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 16340 | 2406 | - | 2436 | = | -30 | * | (138 | / | 388) | = | -10.67010309 | ||
| 4 | 16341 | 2451 | - | 2485 | = | -34 | * | (121 | / | 388) | = | -10.60309278 | ||
| 5 | 16344 | 2469 | - | 2528 | = | -59 | * | (129 | / | 388) | = | -19.61597933 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Horizon Elementary | -41 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 16471 | 2417 | - | 2436 | = | -19 | * | (126 | / | 400) | = | -5.985 | ||
| 4 | 16472 | 2449 | - | 2485 | = | -36 | * | (146 | / | 400) | = | -13.14 | ||
| 5 | 16473 | 2459 | - | 2528 | = | -69 | * | (128 | / | 400) | = | -22.08 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Horizon Elementary | -41 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -76 | -56 | -45 | -41 | -41 | -259.0 | -51.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -9.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -93.8
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 83% | 88% | 85% | 90% | 93% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Greenfield Union school district | County of Kern
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Horizon Elementary math proficiency
Zero+ meets standard.
68% less $meal
80% less $meal
76% less $meal
83% less $meal
82% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Elementary School (Public) schools in Greenfield Union (8)
| Fairview Elementary | Granite Pointe Elementary | Horizon Elementary |
| Plantation Elementary | Planz Elementary | Raffaello Palla Elementary |
| Valle Verde Elementary | W. A. Kendrick Elementary |