Durham Intermediate (Data source)
Source data for Durham Intermediate
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 |
||
| 6 | 144495 | 2521 | - | 2552 | = | -31 | * | (85 | / | 237) | = | -11.11814346 | ||
| 7 | 144498 | 2534 | - | 2567 | = | -33 | * | (87 | / | 237) | = | -12.11392403 | ||
| 8 | 144499 | 2527 | - | 2586 | = | -59 | * | (65 | / | 237) | = | -16.18143458 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Durham Intermediate | -39 | ||||||||||||
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 |
||
| 6 | 4186 | 2517 | - | 2552 | = | -35 | * | (81 | / | 253) | = | -11.20553357 | ||
| 7 | 4188 | 2515 | - | 2567 | = | -52 | * | (82 | / | 253) | = | -16.85375489 | ||
| 8 | 4190 | 2553 | - | 2586 | = | -33 | * | (90 | / | 253) | = | -11.73913043 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Durham Intermediate | -40 | ||||||||||||
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 |
||
| 6 | 4262 | 2566 | - | 2552 | = | 14 | * | (70 | / | 223) | = | 4.39461883 | ||
| 7 | 4264 | 2543 | - | 2567 | = | -24 | * | (78 | / | 223) | = | -8.39461882 | ||
| 8 | 4265 | 2549 | - | 2586 | = | -37 | * | (75 | / | 223) | = | -12.44394615 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Durham Intermediate | -16 | ||||||||||||
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 |
||
| 6 | 4263 | 2551 | - | 2552 | = | -1 | * | (72 | / | 230) | = | -0.31304348 | ||
| 7 | 4266 | 2573 | - | 2567 | = | 6 | * | (79 | / | 230) | = | 2.06086956 | ||
| 8 | 4267 | 2555 | - | 2586 | = | -31 | * | (79 | / | 230) | = | -10.64782606 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Durham Intermediate | -9 | ||||||||||||
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 |
||
| 6 | 4321 | 2535 | - | 2552 | = | -17 | * | (82 | / | 239) | = | -5.83263598 | ||
| 7 | 4322 | 2570 | - | 2567 | = | 3 | * | (74 | / | 239) | = | 0.92887029 | ||
| 8 | 4323 | 2558 | - | 2586 | = | -28 | * | (83 | / | 239) | = | -9.72384935 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Durham Intermediate | -15 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -39 | -40 | -16 | -9 | -15 | -119.0 | -23.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 18.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -65.8
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 | 44% | 35% | 37% | 38% | 44% |
| 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 Intermediate math proficiency
Zero+ meets standard.
28% less $meal
26% less $meal
28% less $meal
33% less $meal
40% 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.
Intermediate/Middle Schools (Public) schools in Durham Unified (1)
| Durham Intermediate |