Crestmont Elementary (Data source)
Source data for Crestmont 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 | 1612054 | 2427 | - | 2436 | = | -9 | * | (72 | / | 225) | = | -2.88 | ||
| 4 | 1612057 | 2476 | - | 2485 | = | -9 | * | (88 | / | 225) | = | -3.52 | ||
| 5 | 1612058 | 2496 | - | 2528 | = | -32 | * | (65 | / | 225) | = | -9.24444442 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Crestmont Elementary | -16 | ||||||||||||
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 | 50430 | 2426 | - | 2436 | = | -10 | * | (83 | / | 248) | = | -3.34677419 | ||
| 4 | 50432 | 2457 | - | 2485 | = | -28 | * | (82 | / | 248) | = | -9.25806451 | ||
| 5 | 50434 | 2524 | - | 2528 | = | -4 | * | (83 | / | 248) | = | -1.33870968 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Crestmont Elementary | -14 | ||||||||||||
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 | 51873 | 2425 | - | 2436 | = | -11 | * | (78 | / | 257) | = | -3.3385214 | ||
| 4 | 51874 | 2463 | - | 2485 | = | -22 | * | (94 | / | 257) | = | -8.04669259 | ||
| 5 | 51877 | 2481 | - | 2528 | = | -47 | * | (85 | / | 257) | = | -15.54474705 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Crestmont Elementary | -27 | ||||||||||||
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 | 51916 | 2443 | - | 2436 | = | 7 | * | (74 | / | 246) | = | 2.10569106 | ||
| 4 | 51919 | 2487 | - | 2485 | = | 2 | * | (84 | / | 246) | = | 0.68292683 | ||
| 5 | 51920 | 2499 | - | 2528 | = | -29 | * | (88 | / | 246) | = | -10.37398373 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Crestmont Elementary | -8 | ||||||||||||
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 | 52107 | 2438 | - | 2436 | = | 2 | * | (71 | / | 235) | = | 0.60425532 | ||
| 4 | 52108 | 2493 | - | 2485 | = | 8 | * | (68 | / | 235) | = | 2.31489362 | ||
| 5 | 52109 | 2507 | - | 2528 | = | -21 | * | (96 | / | 235) | = | -8.5787234 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Crestmont Elementary | -6 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -16 | -14 | -27 | -8 | -6 | -71.0 | -14.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 9.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -38.2
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 | 45% | 45% | 42% | 41% | 35% |
| 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.
Crestmont Elementary math proficiency
Zero+ meets standard.
36% less $meal
39% less $meal
32% less $meal
36% less $meal
31% 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.