Wilson Elementary (Data source)
Source data for Wilson 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 | 3058135 | 2357 | - | 2436 | = | -79 | * | (74 | / | 213) | = | -27.44600936 | ||
| 4 | 3058138 | 2396 | - | 2485 | = | -89 | * | (60 | / | 213) | = | -25.07042246 | ||
| 5 | 3058139 | 2428 | - | 2528 | = | -100 | * | (79 | / | 213) | = | -37.0892018 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Wilson Elementary | -90 | ||||||||||||
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 | 94150 | 2366 | - | 2436 | = | -70 | * | (71 | / | 195) | = | -25.48717948 | ||
| 4 | 94151 | 2413 | - | 2485 | = | -72 | * | (60 | / | 195) | = | -22.1538461 | ||
| 5 | 94153 | 2410 | - | 2528 | = | -118 | * | (64 | / | 195) | = | -38.7282051 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Wilson Elementary | -86 | ||||||||||||
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 | 96917 | 2348 | - | 2436 | = | -88 | * | (69 | / | 196) | = | -30.97959181 | ||
| 4 | 96919 | 2391 | - | 2485 | = | -94 | * | (63 | / | 196) | = | -30.21428567 | ||
| 5 | 96921 | 2414 | - | 2528 | = | -114 | * | (64 | / | 196) | = | -37.22448977 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Wilson Elementary | -98 | ||||||||||||
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 | 97099 | 2353 | - | 2436 | = | -83 | * | (69 | / | 195) | = | -29.3692307 | ||
| 4 | 97100 | 2398 | - | 2485 | = | -87 | * | (62 | / | 195) | = | -27.66153838 | ||
| 5 | 97103 | 2417 | - | 2528 | = | -111 | * | (64 | / | 195) | = | -36.43076921 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Wilson Elementary | -93 | ||||||||||||
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 | 97764 | 2379 | - | 2436 | = | -57 | * | (73 | / | 197) | = | -21.12182738 | ||
| 4 | 97765 | 2371 | - | 2485 | = | -114 | * | (61 | / | 197) | = | -35.29949238 | ||
| 5 | 97766 | 2387 | - | 2528 | = | -141 | * | (63 | / | 197) | = | -45.09137051 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Wilson Elementary | -102 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -90 | -86 | -98 | -93 | -102 | -469.0 | -93.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -75.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -111.8
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 | 95% | 95% | 93% | 94% | 94% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Tulare City school district | County of Tulare
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.
Wilson Elementary math proficiency
Zero+ meets standard.
92% less $meal
90% less $meal
89% less $meal
91% less $meal
92% 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.