Midland Elementary (Data source)
Source data for Midland 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 | 2206641 | 2456 | - | 2436 | = | 20 | * | (107 | / | 305) | = | 7.01639344 | ||
| 4 | 2206642 | 2500 | - | 2485 | = | 15 | * | (100 | / | 305) | = | 4.91803278 | ||
| 5 | 2206645 | 2519 | - | 2528 | = | -9 | * | (98 | / | 305) | = | -2.89180328 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Midland Elementary | 9 | ||||||||||||
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 | 67737 | 2459 | - | 2436 | = | 23 | * | (99 | / | 304) | = | 7.49013156 | ||
| 4 | 67739 | 2510 | - | 2485 | = | 25 | * | (108 | / | 304) | = | 8.88157893 | ||
| 5 | 67742 | 2546 | - | 2528 | = | 18 | * | (97 | / | 304) | = | 5.74342105 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Midland Elementary | 22 | ||||||||||||
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 | 69538 | 2473 | - | 2436 | = | 37 | * | (98 | / | 309) | = | 11.73462781 | ||
| 4 | 69541 | 2502 | - | 2485 | = | 17 | * | (103 | / | 309) | = | 5.66666666 | ||
| 5 | 69542 | 2553 | - | 2528 | = | 25 | * | (108 | / | 309) | = | 8.73786408 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Midland 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 | 69701 | 2452 | - | 2436 | = | 16 | * | (89 | / | 290) | = | 4.91034482 | ||
| 4 | 69703 | 2503 | - | 2485 | = | 18 | * | (98 | / | 290) | = | 6.08275861 | ||
| 5 | 69706 | 2528 | - | 2528 | = | 0 | * | (103 | / | 290) | = | 0.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Midland Elementary | 11 | ||||||||||||
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 | 70223 | 2472 | - | 2436 | = | 36 | * | (97 | / | 278) | = | 12.56115107 | ||
| 4 | 70224 | 2500 | - | 2485 | = | 15 | * | (86 | / | 278) | = | 4.64028776 | ||
| 5 | 70225 | 2532 | - | 2528 | = | 4 | * | (95 | / | 278) | = | 1.36690647 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Midland Elementary | 19 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 9 | 22 | 26 | 11 | 19 | 87.0 | 17.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 38.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -3.6
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 | 38% | 41% | 36% | 41% | 39% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Poway Unified school district | County of San Diego
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.
Midland Elementary math proficiency
Zero+ meets standard.
30% less $meal
31% less $meal
30% less $meal
36% less $meal
33% 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.