Jefferson Middle (Data source)
Source data for Jefferson Middle
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 | 1194233 | 2536 | - | 2552 | = | -16 | * | (404 | / | 1178) | = | -5.48726654 | ||
| 7 | 1194234 | 2552 | - | 2567 | = | -15 | * | (385 | / | 1178) | = | -4.90237691 | ||
| 8 | 1194237 | 2557 | - | 2586 | = | -29 | * | (389 | / | 1178) | = | -9.57640068 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Jefferson Middle | -20 | ||||||||||||
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 | 37137 | 2539 | - | 2552 | = | -13 | * | (394 | / | 1198) | = | -4.2754591 | ||
| 7 | 37139 | 2569 | - | 2567 | = | 2 | * | (417 | / | 1198) | = | 0.69616027 | ||
| 8 | 37142 | 2560 | - | 2586 | = | -26 | * | (387 | / | 1198) | = | -8.39899832 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Jefferson Middle | -12 | ||||||||||||
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 | 37932 | 2515 | - | 2552 | = | -37 | * | (362 | / | 1197) | = | -11.18964075 | ||
| 7 | 37933 | 2557 | - | 2567 | = | -10 | * | (419 | / | 1197) | = | -3.50041771 | ||
| 8 | 37935 | 2556 | - | 2586 | = | -30 | * | (416 | / | 1197) | = | -10.42606515 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Jefferson Middle | -25 | ||||||||||||
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 | 37875 | 2542 | - | 2552 | = | -10 | * | (383 | / | 1167) | = | -3.28191945 | ||
| 7 | 37877 | 2531 | - | 2567 | = | -36 | * | (375 | / | 1167) | = | -11.56812336 | ||
| 8 | 37879 | 2569 | - | 2586 | = | -17 | * | (409 | / | 1167) | = | -5.95801198 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Jefferson Middle | -21 | ||||||||||||
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 | 38084 | 2546 | - | 2552 | = | -6 | * | (344 | / | 1095) | = | -1.88493151 | ||
| 7 | 38085 | 2568 | - | 2567 | = | 1 | * | (382 | / | 1095) | = | 0.34885845 | ||
| 8 | 38086 | 2553 | - | 2586 | = | -33 | * | (369 | / | 1095) | = | -11.12054793 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Jefferson Middle | -13 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -20 | -12 | -25 | -21 | -13 | -91.0 | -18.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -3.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -33.2
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 | 54% | 54% | 57% | 62% | 59% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Gabriel Unified school district | County of Los Angeles
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.
Jefferson Middle math proficiency
Zero+ meets standard.
40% less $meal
41% less $meal
44% less $meal
52% less $meal
49% 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 San Gabriel Unified (1)
| Jefferson Middle |