Marigold Elementary (Data source)
Source data for Marigold 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 | 139183 | 2417 | - | 2436 | = | -19 | * | (86 | / | 311) | = | -5.25401929 | ||
| 4 | 139184 | 2481 | - | 2485 | = | -4 | * | (71 | / | 311) | = | -0.91318328 | ||
| 5 | 139187 | 2506 | - | 2528 | = | -22 | * | (78 | / | 311) | = | -5.51768488 | ||
| 6 | 139188 | 2492 | - | 2552 | = | -60 | * | (76 | / | 311) | = | -14.6623794 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Marigold Elementary | -26 | ||||||||||||
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 | 4032 | 2433 | - | 2436 | = | -3 | * | (90 | / | 317) | = | -0.85173501 | ||
| 4 | 4033 | 2480 | - | 2485 | = | -5 | * | (79 | / | 317) | = | -1.24605678 | ||
| 5 | 4035 | 2490 | - | 2528 | = | -38 | * | (71 | / | 317) | = | -8.51104099 | ||
| 6 | 4038 | 2555 | - | 2552 | = | 3 | * | (77 | / | 317) | = | 0.72870662 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Marigold Elementary | -10 | ||||||||||||
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 | 4118 | 2406 | - | 2436 | = | -30 | * | (76 | / | 253) | = | -9.01185768 | ||
| 4 | 4119 | 2472 | - | 2485 | = | -13 | * | (89 | / | 253) | = | -4.57312253 | ||
| 5 | 4122 | 2492 | - | 2528 | = | -36 | * | (88 | / | 253) | = | -12.5217391 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Marigold Elementary | -26 | ||||||||||||
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 | 4120 | 2414 | - | 2436 | = | -22 | * | (80 | / | 246) | = | -7.15447154 | ||
| 4 | 4121 | 2485 | - | 2485 | = | 0 | * | (78 | / | 246) | = | 0.0 | ||
| 5 | 4124 | 2507 | - | 2528 | = | -21 | * | (88 | / | 246) | = | -7.51219512 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Marigold Elementary | -15 | ||||||||||||
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 | 4173 | 2437 | - | 2436 | = | 1 | * | (80 | / | 246) | = | 0.32520325 | ||
| 4 | 4174 | 2484 | - | 2485 | = | -1 | * | (81 | / | 246) | = | -0.32926829 | ||
| 5 | 4175 | 2499 | - | 2528 | = | -29 | * | (85 | / | 246) | = | -10.0203252 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Marigold Elementary | -10 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -26 | -10 | -26 | -15 | -10 | -87.0 | -17.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 6.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -41.4
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 | 34% | 35% | 33% | 40% | 33% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Chico Unified school district | County of Butte
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.
Marigold Elementary math proficiency
Zero+ meets standard.
29% less $meal
28% less $meal
28% less $meal
37% less $meal
30% 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.