Rosedale Elementary (Data source)
Source data for Rosedale 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 | 140251 | 2412 | - | 2436 | = | -24 | * | (86 | / | 297) | = | -6.94949494 | ||
| 4 | 140254 | 2470 | - | 2485 | = | -15 | * | (83 | / | 297) | = | -4.19191919 | ||
| 5 | 140255 | 2483 | - | 2528 | = | -45 | * | (65 | / | 297) | = | -9.84848481 | ||
| 6 | 140258 | 2534 | - | 2552 | = | -18 | * | (63 | / | 297) | = | -3.81818182 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Rosedale Elementary | -25 | ||||||||||||
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 | 4061 | 2400 | - | 2436 | = | -36 | * | (83 | / | 304) | = | -9.82894734 | ||
| 4 | 4063 | 2472 | - | 2485 | = | -13 | * | (78 | / | 304) | = | -3.33552631 | ||
| 5 | 4066 | 2502 | - | 2528 | = | -26 | * | (78 | / | 304) | = | -6.67105262 | ||
| 6 | 4068 | 2495 | - | 2552 | = | -57 | * | (65 | / | 304) | = | -12.18749997 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Rosedale Elementary | -32 | ||||||||||||
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 | 4142 | 2423 | - | 2436 | = | -13 | * | (84 | / | 235) | = | -4.6468085 | ||
| 4 | 4144 | 2473 | - | 2485 | = | -12 | * | (76 | / | 235) | = | -3.88085106 | ||
| 5 | 4145 | 2490 | - | 2528 | = | -38 | * | (75 | / | 235) | = | -12.12765957 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Rosedale Elementary | -21 | ||||||||||||
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 | 4143 | 2399 | - | 2436 | = | -37 | * | (87 | / | 240) | = | -13.4125 | ||
| 4 | 4146 | 2490 | - | 2485 | = | 5 | * | (83 | / | 240) | = | 1.72916667 | ||
| 5 | 4147 | 2488 | - | 2528 | = | -40 | * | (70 | / | 240) | = | -11.66666664 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Rosedale Elementary | -23 | ||||||||||||
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 | 4197 | 2428 | - | 2436 | = | -8 | * | (93 | / | 254) | = | -2.92913386 | ||
| 4 | 4198 | 2489 | - | 2485 | = | 4 | * | (80 | / | 254) | = | 1.25984252 | ||
| 5 | 4199 | 2507 | - | 2528 | = | -21 | * | (81 | / | 254) | = | -6.69685038 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Rosedale Elementary | -8 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -25 | -32 | -21 | -23 | -8 | -109.0 | -21.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 2.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -45.8
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 | 55% | 52% | 48% | 53% | 50% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Chico Unified school district | County of Butte
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.
Rosedale Elementary math proficiency
Zero+ meets standard.
49% less $meal
47% less $meal
40% less $meal
48% less $meal
45% 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.