Lillian Larsen Elementary (Data source)
Source data for Lillian Larsen 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 | 2496156 | 2400 | - | 2436 | = | -36 | * | (45 | / | 218) | = | -7.43119265 | ||
4 | 2496159 | 2441 | - | 2485 | = | -44 | * | (40 | / | 218) | = | -8.07339447 | ||
5 | 2496160 | 2427 | - | 2528 | = | -101 | * | (41 | / | 218) | = | -18.99541279 | ||
6 | 2496163 | 2468 | - | 2552 | = | -84 | * | (37 | / | 218) | = | -14.25688068 | ||
7 | 2496164 | 2505 | - | 2567 | = | -62 | * | (28 | / | 218) | = | -7.96330269 | ||
8 | 2496167 | 2488 | - | 2586 | = | -98 | * | (27 | / | 218) | = | -12.13761468 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lillian Larsen Elementary | -69 |
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 | 76114 | 2420 | - | 2436 | = | -16 | * | (37 | / | 223) | = | -2.65470851 | ||
4 | 76115 | 2455 | - | 2485 | = | -30 | * | (43 | / | 223) | = | -5.78475336 | ||
5 | 76118 | 2462 | - | 2528 | = | -66 | * | (37 | / | 223) | = | -10.95067261 | ||
6 | 76120 | 2480 | - | 2552 | = | -72 | * | (37 | / | 223) | = | -11.9461883 | ||
7 | 76121 | 2505 | - | 2567 | = | -62 | * | (38 | / | 223) | = | -10.56502239 | ||
8 | 76123 | 2512 | - | 2586 | = | -74 | * | (31 | / | 223) | = | -10.28699545 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lillian Larsen Elementary | -52 |
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 | 78150 | 2403 | - | 2436 | = | -33 | * | (36 | / | 220) | = | -5.39999998 | ||
4 | 78152 | 2458 | - | 2485 | = | -27 | * | (36 | / | 220) | = | -4.4181818 | ||
5 | 78154 | 2466 | - | 2528 | = | -62 | * | (39 | / | 220) | = | -10.99090907 | ||
6 | 78156 | 2454 | - | 2552 | = | -98 | * | (40 | / | 220) | = | -17.81818174 | ||
7 | 78158 | 2517 | - | 2567 | = | -50 | * | (35 | / | 220) | = | -7.95454545 | ||
8 | 78160 | 2544 | - | 2586 | = | -42 | * | (34 | / | 220) | = | -6.49090907 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lillian Larsen Elementary | -53 |
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 | 78306 | 2428 | - | 2436 | = | -8 | * | (34 | / | 230) | = | -1.18260869 | ||
4 | 78307 | 2442 | - | 2485 | = | -43 | * | (42 | / | 230) | = | -7.85217389 | ||
5 | 78310 | 2436 | - | 2528 | = | -92 | * | (38 | / | 230) | = | -15.19999997 | ||
6 | 78311 | 2409 | - | 2552 | = | -143 | * | (37 | / | 230) | = | -23.0043478 | ||
7 | 78314 | 2520 | - | 2567 | = | -47 | * | (42 | / | 230) | = | -8.58260867 | ||
8 | 78315 | 2545 | - | 2586 | = | -41 | * | (37 | / | 230) | = | -6.59565217 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lillian Larsen Elementary | -62 |
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 | 78838 | 2401 | - | 2436 | = | -35 | * | (40 | / | 239) | = | -5.85774056 | ||
4 | 78839 | 2468 | - | 2485 | = | -17 | * | (37 | / | 239) | = | -2.63179916 | ||
5 | 78840 | 2462 | - | 2528 | = | -66 | * | (38 | / | 239) | = | -10.49372379 | ||
6 | 78841 | 2438 | - | 2552 | = | -114 | * | (47 | / | 239) | = | -22.41840997 | ||
7 | 78842 | 2523 | - | 2567 | = | -44 | * | (38 | / | 239) | = | -6.99581586 | ||
8 | 78843 | 2535 | - | 2586 | = | -51 | * | (39 | / | 239) | = | -8.32217572 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lillian Larsen Elementary | -57 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-69 | -52 | -53 | -62 | -57 | -293.0 | -58.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -37.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -79.6
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 | 89% | 86% | 90% | 67% | 88% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Miguel Joint Union 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.
Lillian Larsen Elementary math proficiency
Zero+ meets standard.
79% less $meal
79% less $meal
85% less $meal
66% less $meal
88% 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 San Miguel Joint Union (2)
Cappy Culver Elementary | Lillian Larsen Elementary |