Dana Elementary (Data source)
Source data for Dana 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 | 2488990 | 2412 | - | 2436 | = | -24 | * | (89 | / | 356) | = | -6.0 | ||
4 | 2488991 | 2468 | - | 2485 | = | -17 | * | (74 | / | 356) | = | -3.53370786 | ||
5 | 2488994 | 2453 | - | 2528 | = | -75 | * | (87 | / | 356) | = | -18.32865165 | ||
6 | 2488995 | 2467 | - | 2552 | = | -85 | * | (106 | / | 356) | = | -25.30898868 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Dana Elementary | -53 |
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 | 75883 | 2421 | - | 2436 | = | -15 | * | (84 | / | 337) | = | -3.7388724 | ||
4 | 75885 | 2462 | - | 2485 | = | -23 | * | (90 | / | 337) | = | -6.14243322 | ||
5 | 75887 | 2481 | - | 2528 | = | -47 | * | (74 | / | 337) | = | -10.32047474 | ||
6 | 75889 | 2485 | - | 2552 | = | -67 | * | (89 | / | 337) | = | -17.69436199 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Dana Elementary | -38 |
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 | 77917 | 2414 | - | 2436 | = | -22 | * | (77 | / | 339) | = | -4.99705015 | ||
4 | 77919 | 2444 | - | 2485 | = | -41 | * | (83 | / | 339) | = | -10.03834808 | ||
5 | 77921 | 2458 | - | 2528 | = | -70 | * | (91 | / | 339) | = | -18.79056046 | ||
6 | 77923 | 2487 | - | 2552 | = | -65 | * | (88 | / | 339) | = | -16.8731563 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Dana Elementary | -51 |
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 | 78080 | 2426 | - | 2436 | = | -10 | * | (68 | / | 336) | = | -2.02380952 | ||
4 | 78081 | 2433 | - | 2485 | = | -52 | * | (80 | / | 336) | = | -12.38095238 | ||
5 | 78084 | 2466 | - | 2528 | = | -62 | * | (95 | / | 336) | = | -17.52976189 | ||
6 | 78085 | 2522 | - | 2552 | = | -30 | * | (93 | / | 336) | = | -8.30357142 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Dana Elementary | -40 |
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 | 78610 | 2433 | - | 2436 | = | -3 | * | (76 | / | 320) | = | -0.7125 | ||
4 | 78611 | 2442 | - | 2485 | = | -43 | * | (71 | / | 320) | = | -9.540625 | ||
5 | 78612 | 2454 | - | 2528 | = | -74 | * | (84 | / | 320) | = | -19.425 | ||
6 | 78613 | 2514 | - | 2552 | = | -38 | * | (89 | / | 320) | = | -10.56875 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Dana Elementary | -40 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-53 | -38 | -51 | -40 | -40 | -222.0 | -44.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -23.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -65.4
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 | 65% | 67% | 59% | 67% | 66% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Lucia Mar Unified school district | County of San Luis Obispo
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.
Dana Elementary math proficiency
Zero+ meets standard.
48% less $meal
51% less $meal
46% less $meal
58% less $meal
56% 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.