Diamond Creek Elementary (Data source)
Source data for Diamond 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 | 1611242 | 2443 | - | 2436 | = | 7 | * | (108 | / | 331) | = | 2.28398791 | ||
| 4 | 1611245 | 2503 | - | 2485 | = | 18 | * | (105 | / | 331) | = | 5.70996977 | ||
| 5 | 1611246 | 2546 | - | 2528 | = | 18 | * | (118 | / | 331) | = | 6.41691842 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Diamond Creek Elementary | 14 | ||||||||||||
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 | 50407 | 2450 | - | 2436 | = | 14 | * | (104 | / | 327) | = | 4.45259938 | ||
| 4 | 50408 | 2505 | - | 2485 | = | 20 | * | (115 | / | 327) | = | 7.03363914 | ||
| 5 | 50411 | 2542 | - | 2528 | = | 14 | * | (108 | / | 327) | = | 4.62385321 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Diamond 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 | 51840 | 2455 | - | 2436 | = | 19 | * | (97 | / | 329) | = | 5.60182369 | ||
| 4 | 51843 | 2493 | - | 2485 | = | 8 | * | (117 | / | 329) | = | 2.8449848 | ||
| 5 | 51844 | 2543 | - | 2528 | = | 15 | * | (115 | / | 329) | = | 5.24316108 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Diamond Creek Elementary | 14 | ||||||||||||
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 | 51881 | 2459 | - | 2436 | = | 23 | * | (82 | / | 292) | = | 6.45890409 | ||
| 4 | 51882 | 2510 | - | 2485 | = | 25 | * | (92 | / | 292) | = | 7.87671233 | ||
| 5 | 51885 | 2536 | - | 2528 | = | 8 | * | (118 | / | 292) | = | 3.23287671 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Diamond Creek Elementary | 18 | ||||||||||||
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 | 52071 | 2458 | - | 2436 | = | 22 | * | (105 | / | 297) | = | 7.77777777 | ||
| 4 | 52072 | 2501 | - | 2485 | = | 16 | * | (94 | / | 297) | = | 5.06397306 | ||
| 5 | 52073 | 2548 | - | 2528 | = | 20 | * | (98 | / | 297) | = | 6.59932658 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Diamond Creek Elementary | 19 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 14 | 16 | 14 | 18 | 19 | 81.0 | 16.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 22.2
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 | 16% | 15% | 14% | 16% | 16% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Roseville City Elementary school district | County of Placer
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.
Diamond Creek Elementary math proficiency
Zero+ meets standard.
9% less $meal
10% less $meal
10% less $meal
12% less $meal
12% 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.