Shoal Creek Elementary (Data source)
Source data for Shoal Creek 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 | 2213297 | 2456 | - | 2436 | = | 20 | * | (109 | / | 297) | = | 7.34006734 | ||
| 4 | 2213298 | 2515 | - | 2485 | = | 30 | * | (96 | / | 297) | = | 9.69696969 | ||
| 5 | 2213301 | 2523 | - | 2528 | = | -5 | * | (92 | / | 297) | = | -1.54882155 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Shoal Creek Elementary | 15 | ||||||||||||
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 | 67914 | 2459 | - | 2436 | = | 23 | * | (90 | / | 295) | = | 7.01694914 | ||
| 4 | 67915 | 2506 | - | 2485 | = | 21 | * | (106 | / | 295) | = | 7.54576269 | ||
| 5 | 67917 | 2531 | - | 2528 | = | 3 | * | (99 | / | 295) | = | 1.00677966 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Shoal Creek Elementary | 16 | ||||||||||||
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 | 69714 | 2452 | - | 2436 | = | 16 | * | (91 | / | 283) | = | 5.14487632 | ||
| 4 | 69717 | 2506 | - | 2485 | = | 21 | * | (92 | / | 283) | = | 6.82685512 | ||
| 5 | 69719 | 2525 | - | 2528 | = | -3 | * | (100 | / | 283) | = | -1.06007067 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Shoal Creek Elementary | 11 | ||||||||||||
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 | 69877 | 2451 | - | 2436 | = | 15 | * | (90 | / | 272) | = | 4.96323528 | ||
| 4 | 69879 | 2526 | - | 2485 | = | 41 | * | (92 | / | 272) | = | 13.86764705 | ||
| 5 | 69881 | 2533 | - | 2528 | = | 5 | * | (90 | / | 272) | = | 1.65441176 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Shoal Creek Elementary | 20 | ||||||||||||
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 | 70399 | 2486 | - | 2436 | = | 50 | * | (74 | / | 240) | = | 15.41666665 | ||
| 4 | 70400 | 2514 | - | 2485 | = | 29 | * | (83 | / | 240) | = | 10.02916666 | ||
| 5 | 70401 | 2561 | - | 2528 | = | 33 | * | (83 | / | 240) | = | 11.41249999 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Shoal Creek Elementary | 37 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 15 | 16 | 11 | 20 | 37 | 99.0 | 19.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 49.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -10.2
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 | 9% | 10% | 10% | 12% | 12% |
| 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, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Shoal Creek Elementary math proficiency
Zero+ meets standard.
6% less $meal
8% less $meal
6% less $meal
9% less $meal
10% 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.