Patwin Elementary (Data source)
Source data for Patwin 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 | 3174117 | 2417 | - | 2436 | = | -19 | * | (51 | / | 223) | = | -4.34529147 | ||
| 4 | 3174119 | 2498 | - | 2485 | = | 13 | * | (62 | / | 223) | = | 3.61434977 | ||
| 5 | 3174121 | 2550 | - | 2528 | = | 22 | * | (48 | / | 223) | = | 4.73542599 | ||
| 6 | 3174122 | 2541 | - | 2552 | = | -11 | * | (62 | / | 223) | = | -3.05829596 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Patwin Elementary | 1 | ||||||||||||
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 | 97825 | 2460 | - | 2436 | = | 24 | * | (43 | / | 202) | = | 5.10891089 | ||
| 4 | 97826 | 2461 | - | 2485 | = | -24 | * | (57 | / | 202) | = | -6.77227721 | ||
| 5 | 97828 | 2552 | - | 2528 | = | 24 | * | (53 | / | 202) | = | 6.29702969 | ||
| 6 | 97830 | 2582 | - | 2552 | = | 30 | * | (49 | / | 202) | = | 7.27722771 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Patwin Elementary | 12 | ||||||||||||
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 | 100679 | 2460 | - | 2436 | = | 24 | * | (59 | / | 221) | = | 6.4072398 | ||
| 4 | 100681 | 2510 | - | 2485 | = | 25 | * | (47 | / | 221) | = | 5.31674208 | ||
| 5 | 100683 | 2508 | - | 2528 | = | -20 | * | (54 | / | 221) | = | -4.88687782 | ||
| 6 | 100685 | 2594 | - | 2552 | = | 42 | * | (61 | / | 221) | = | 11.59276016 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Patwin Elementary | 18 | ||||||||||||
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 | 100831 | 2459 | - | 2436 | = | 23 | * | (67 | / | 248) | = | 6.21370967 | ||
| 4 | 100832 | 2505 | - | 2485 | = | 20 | * | (73 | / | 248) | = | 5.88709676 | ||
| 5 | 100835 | 2536 | - | 2528 | = | 8 | * | (52 | / | 248) | = | 1.67741935 | ||
| 6 | 100836 | 2562 | - | 2552 | = | 10 | * | (56 | / | 248) | = | 2.25806451 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Patwin Elementary | 16 | ||||||||||||
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 | 101494 | 2462 | - | 2436 | = | 26 | * | (46 | / | 246) | = | 4.86178859 | ||
| 4 | 101495 | 2502 | - | 2485 | = | 17 | * | (70 | / | 246) | = | 4.83739837 | ||
| 5 | 101496 | 2532 | - | 2528 | = | 4 | * | (74 | / | 246) | = | 1.20325203 | ||
| 6 | 101497 | 2564 | - | 2552 | = | 12 | * | (56 | / | 246) | = | 2.73170731 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Patwin Elementary | 14 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 1 | 12 | 18 | 16 | 14 | 61.0 | 12.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 30.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -5.8
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 | 32% | 27% | 25% | 23% | 24% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Davis Joint Unified school district | County of Yolo
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.
Patwin Elementary math proficiency
Zero+ meets standard.
26% less $meal
23% less $meal
22% less $meal
21% less $meal
21% 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.