Selma Olinder Elementary (Data source)
Source data for Selma Olinder 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 | 2711366 | 2422 | - | 2436 | = | -14 | * | (75 | / | 213) | = | -4.92957746 | ||
| 4 | 2711368 | 2426 | - | 2485 | = | -59 | * | (73 | / | 213) | = | -20.22065724 | ||
| 5 | 2711369 | 2468 | - | 2528 | = | -60 | * | (65 | / | 213) | = | -18.30985914 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Selma Olinder Elementary | -43 | ||||||||||||
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 | 82555 | 2401 | - | 2436 | = | -35 | * | (65 | / | 209) | = | -10.88516744 | ||
| 4 | 82557 | 2433 | - | 2485 | = | -52 | * | (73 | / | 209) | = | -18.16267939 | ||
| 5 | 82558 | 2402 | - | 2528 | = | -126 | * | (71 | / | 209) | = | -42.80382767 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Selma Olinder Elementary | -72 | ||||||||||||
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 | 84846 | 2406 | - | 2436 | = | -30 | * | (65 | / | 193) | = | -10.10362692 | ||
| 4 | 84849 | 2398 | - | 2485 | = | -87 | * | (63 | / | 193) | = | -28.39896369 | ||
| 5 | 84850 | 2433 | - | 2528 | = | -95 | * | (65 | / | 193) | = | -31.99481858 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Selma Olinder Elementary | -70 | ||||||||||||
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 | 85062 | 2408 | - | 2436 | = | -28 | * | (55 | / | 182) | = | -8.46153846 | ||
| 4 | 85065 | 2409 | - | 2485 | = | -76 | * | (67 | / | 182) | = | -27.97802197 | ||
| 5 | 85066 | 2436 | - | 2528 | = | -92 | * | (60 | / | 182) | = | -30.32967027 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Selma Olinder Elementary | -67 | ||||||||||||
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 | 85656 | 2377 | - | 2436 | = | -59 | * | (39 | / | 156) | = | -14.75 | ||
| 4 | 85657 | 2425 | - | 2485 | = | -60 | * | (55 | / | 156) | = | -21.15384612 | ||
| 5 | 85658 | 2430 | - | 2528 | = | -98 | * | (62 | / | 156) | = | -38.94871791 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Selma Olinder Elementary | -75 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -43 | -72 | -70 | -67 | -75 | -327.0 | -65.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -29.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -101.4
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 | 87% | 84% | 86% | 86% | 81% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Jose Unified school district | County of Santa Clara
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.
Selma Olinder Elementary math proficiency
Zero+ meets standard.
77% less $meal
75% less $meal
74% less $meal
78% less $meal
72% 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.