Durham Elementary (Data source)
Source data for Durham 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 | 144249 | 2417 | - | 2436 | = | -19 | * | (65 | / | 206) | = | -5.99514562 | ||
| 4 | 144252 | 2473 | - | 2485 | = | -12 | * | (68 | / | 206) | = | -3.96116504 | ||
| 5 | 144253 | 2482 | - | 2528 | = | -46 | * | (73 | / | 206) | = | -16.30097087 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Durham Elementary | -26 | ||||||||||||
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 | 4177 | 2426 | - | 2436 | = | -10 | * | (72 | / | 206) | = | -3.49514563 | ||
| 4 | 4180 | 2490 | - | 2485 | = | 5 | * | (69 | / | 206) | = | 1.67475728 | ||
| 5 | 4182 | 2516 | - | 2528 | = | -12 | * | (65 | / | 206) | = | -3.78640776 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Durham Elementary | -6 | ||||||||||||
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 | 4253 | 2422 | - | 2436 | = | -14 | * | (79 | / | 223) | = | -4.95964125 | ||
| 4 | 4256 | 2479 | - | 2485 | = | -6 | * | (74 | / | 223) | = | -1.99103139 | ||
| 5 | 4257 | 2519 | - | 2528 | = | -9 | * | (70 | / | 223) | = | -2.82511211 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Durham Elementary | -10 | ||||||||||||
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 | 4255 | 2402 | - | 2436 | = | -34 | * | (73 | / | 238) | = | -10.42857143 | ||
| 4 | 4258 | 2476 | - | 2485 | = | -9 | * | (82 | / | 238) | = | -3.10084034 | ||
| 5 | 4259 | 2518 | - | 2528 | = | -10 | * | (83 | / | 238) | = | -3.48739495 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Durham Elementary | -17 | ||||||||||||
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 | 4313 | 2435 | - | 2436 | = | -1 | * | (88 | / | 258) | = | -0.34108527 | ||
| 4 | 4314 | 2460 | - | 2485 | = | -25 | * | (78 | / | 258) | = | -7.55813953 | ||
| 5 | 4315 | 2506 | - | 2528 | = | -22 | * | (92 | / | 258) | = | -7.84496123 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Durham Elementary | -16 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -26 | -6 | -10 | -17 | -16 | -75.0 | -15.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 6.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -36.0
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 | 42% | 41% | 41% | 42% | 42% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Durham 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.
Durham Elementary math proficiency
Zero+ meets standard.
32% less $meal
35% less $meal
34% less $meal
36% less $meal
37% 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.
Elementary School (Public) schools in Durham Unified (1)
| Durham Elementary |